| 1 | A | B | C | D | E | F |
| --- | --- | --- | --- | --- | --- | --- |
| 2 | History of immigration to the United States - Immigration summary since 1830 |  |  |  |  |  |
| 3 | Year | - | Year | - | Year | - |
| 4 | 1820 | 8,385 | 1885 | 395,346 | 1950 | 249,187 |
| 5 | 1825 | 10,199 | 1890 | 455,302 | 1955 | 237,790 |
| 6 | 1830 | 23,322 | 1895 | 258,536 | 1960 | 265,398 |
| 7 | 1835 | 45,374 | 1900 | 448,572 | 1965 | 296,697 |
| 8 | 1840 | 84,066 | 1905 | 1,026,499 | 1970 | 373,326 |
| 9 | 1845 | 114,371 | 1910 | 1,041,570 | 1975 | 385,378 |
| 10 | 1850 | 369,980 | 1915 | 326,700 | 1980 | 524,295 |
| 11 | 1855 | 200,877 | 1920 | 430,001 | 1985 | 568,149 |
| 12 | 1860 | 153,640 | 1925 | 294,314 | 1990 | 1,535,872 |
| 13 | 1865 | 248,120 | 1930 | 241,700 | 1995 | 720,177 |
| 14 | 1870 | 387,203 | 1935 | 34,956 | 2000 | 841,002 |
| 15 | 1875 | 227,498 | 1940 | 70,756 | 2005 | 1,122,257 |
| 16 | 1880 | 457,257 | 1945 | 38,119 | 2010 | 1,042,625 |

Question: How did total immigration change from 1820 to 1830?
Answer: In 1820, immigration totaled to 8,385, with total immigration gradually increasing to 23,322 by 1830.