|2010s|2010|2011|2012|2013|2014|2015|2016|2017|2018||
|---|---|---|---|---|---|---|---|---|---|---|
|2000s|2000|2001|2002|2003|2004|2005|2006|2007|2008|2009|
|1990s|1990|1991|1992|1993|1994|1995|1996|1997|1998|1999|
|1980s|1980|1981|1982|1983|1984|1985|1986|1987|1988|1989|
|1970s|1970|1971|1972|1973|1974|1975|1976|1977|1978|1979|
|1960s|1960|1961|1962|1963|1964|1965|1966|1967|1968|1969|
|1950s|1950|1951|1952|1953|1954|1955|1956|1957|1958|1959|
|1940s|1940|1941|1942|1943|1944|1945|1946|1947|1948|1949|
|1930s|1930|1931|1932|1933|1934|1935|1936|1937|1938|1939|
|1920s|1920|1921|1922|1923|1924|1925|1926|1927|1928|1929|
|1910s|1910|1911|1912|1913|1914|1915|1916|1917|1918|1919|
|1900s|1900|1901|1902|1903|1904|1905|1906|1907|1908|1909|
|1890s|1890|1891|1892|1893|1894|1895|1896|1897|1898|1899|
|1880s|1880|1881|1882|1883|1884|1885|1886|1887|1888|1889|
|1870s|1870|1871|1872|1873|1874|1875|1876|1877|1878|1879|

Question: mathematically speaking, what is the difference between 2015 and 1912?
Answer: 103