เส้นเวลาของธงประจำชาติ
ทวีปแอฟริกา

| เซียร์ราลีโอน |   1792 |   1792 |   1792 |   1792 |   1792 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1889 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |   1961 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| โซมาเลีย |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   คริสต์ศตวรรษที่ 13 |   1415 |   1415 |   1559 |   1559 |   1559 |   1559 |   1559 |   1559 |   1884 |   1884 |   1884 |   1884 |   1884 |   1884 |   1884 |   1884 |   1884 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1888 |   1896 |   1896 |   1896 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1949 |   1949 |   1949 |   1949 |   1950 |   1950 |   1950 |   1950 |   1950 |   1950 |   1950 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 | 1960 |  |  |
| แอฟริกาใต้ |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1652 |   1795 |   1795 |   1795 |   1795 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1801 |   1875 |   1875 |   1875 |   1875 |   1875 |   1875 |   1875 |   1875 |   1875 |   1875 |   1875 |   1875 |   1875 |   1875 |   1875 |   1875 |   1875 |   1875 |   1910 |   1912 |   1912 |   1912 |   1912 |   1912 |   1912 |   1912 |   1912 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1928 |   1994 |   1994 |   1994 |   1994 |   1994 |   1994 |   1994 |   1994 |   1994 |   1994 |   1994 |   1994 |   1994 |  |  |
| ซูดานใต้ |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1882 |   1899 |   1899 |   1899 |   1899 |   1899 |   1899 |   1899 |   1899 |   1899 |   1899 |   1899 |   1899 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1952 |   1952 |   1956 |   1956 |   1956 |   1956 |   1956 |   1956 |   1956 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   2011 |   2011 |   2011 |   2011 |  |  |  |  |  |  |  |  |  |
| ซูดาน |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1517 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1844 |   1882 |   1899 |   1899 |   1899 |   1899 |   1899 |   1899 |   1899 |   1899 |   1899 |   1899 |   1899 |   1899 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1922 |   1952 |   1952 |   1956 |   1956 |   1956 |   1956 |   1956 |   1956 |   1956 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |   1970 |  |  |  |  |  |  |  |  |  |
| สวาซิแลนด์ |   1894 |   1894 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1903 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |   1968 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| แทนซาเนีย |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1961 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| แทนซาเนีย |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1885 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1919 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| โตโก |   1884 |   1884 |   1884 |   1884 |   1884 |   1884 |   1884 |   1884 |   1884 |   1884 |   1884 |   1884 |   1884 |   1884 |   1884 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1957 |   1958 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |   1960 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| ตูนิเซีย |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1574 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1831 |   1999 |   1999 |   1999 |   1999 |   1999 |   1999 |   1999 |   1999 |   1999 |   1999 |   1999 |  |  |
| ยูกันดา |   1894 |   1894 |   1894 |   1894 |   1894 |   1894 |   1894 |   1894 |   1894 |   1894 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1914 |   1962 |   1962 |   1962 |   1962 |   1962 |   1962 |   1962 |   1962 |   1962 |   1962 |   1962 |   1962 |   1962 |   1962 |   1962 |   1962 |   1962 |   1962 |   1962 |   1962 |   1962 |   1962 |   1962 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| แซมเบีย |   1924 |   1924 |   1924 |   1924 |   1924 |   1924 |   1924 |   1924 |   1924 |   1924 |   1924 |   1924 |   1924 |   1924 |   1953 |   1953 |   1953 |   1953 |   1953 |   1963 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1964 |   1996 |   1996 |   1996 |   1996 |   1996 |   1996 |   1996 |   1996 |   1996 |   1996 |   1996 |   1996 |  | Zambia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| ซิมบับเว |   1896 |   1896 |   1896 |   1896 |   1896 |   1896 |   1896 |   1896 |   1896 |   1896 |   1896 |   1896 |   1896 |   1923 |   1923 |   1923 |   1923 |   1923 |   1923 |   1923 |   1923 |   1923 |   1923 |   1923 |   1923 |   1923 |   1923 |   1923 |   1953 |   1953 |   1953 |   1953 |   1953 |   1953 |   1964 |   1964 |   1968 |   1968 |   1968 |   1968 |   1979 |   1979 |   1980 |   1980 |   1980 |   1980 |   1980 |   1980 |   1980 |   1980 |   1980 |   1980 |   1980 |   1980 |   1980 |   1980 |   1980 |   1980 |   1980 |   1980 |   1980 |   1980 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| ประเทศ / ทศวรรษ | ก่อนหน้านี้ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ปัจจุบัน |  |
| ประเทศ / ทศวรรษ | ก่อนหน้านี้ | 1700 | 1700 | 1700 | 1700 | 1700 | 1710 | 1710 | 1710 | 1710 | 1710 | 1720 | 1720 | 1720 | 1720 | 1720 | 1730 | 1730 | 1730 | 1730 | 1730 | 1740 | 1740 | 1740 | 1740 | 1740 | 1750 | 1750 | 1750 | 1750 | 1750 | 1760 | 1760 | 1760 | 1760 | 1760 | 1770 | 1770 | 1770 | 1770 | 1770 | 1780 | 1780 | 1780 | 1780 | 1780 | 1790 | 1790 | 1790 | 1790 | 1790 | 1800 | 1800 | 1800 | 1800 | 1800 | 1810 | 1810 | 1810 | 1810 | 1810 | 1820 | 1820 | 1820 | 1820 | 1820 | 1830 | 1830 | 1830 | 1830 | 1830 | 1840 | 1840 | 1840 | 1840 | 1840 | 1850 | 1850 | 1850 | 1850 | 1850 | 1860 | 1860 | 1860 | 1860 | 1860 | 1870 | 1870 | 1870 | 1870 | 1870 | 1880 | 1880 | 1880 | 1880 | 1880 | 1890 | 1890 | 1890 | 1890 | 1890 | 1900 | 1900 | 1900 | 1900 | 1900 | 1910 | 1910 | 1910 | 1910 | 1910 | 1920 | 1920 | 1920 | 1920 | 1920 | 1930 | 1930 | 1930 | 1930 | 1930 | 1940 | 1940 | 1940 | 1940 | 1940 | 1950 | 1950 | 1950 | 1950 | 1950 | 1960 | 1960 | 1960 | 1960 | 1960 | 1970 | 1970 | 1970 | 1970 | 1970 | 1980 | 1980 | 1980 | 1980 | 1980 | 1990 | 1990 | 1990 | 1990 | 1990 | 2000 | 2000 | 2000 | 2000 | 2000 | 2010 | 2010 | 2010 | 2010 |  | ปัจจุบัน |  |