Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1791 | 1 |
| 1792 | 1 |
| 1794 | 1 |
| 1800 | 2 |
| 1807 | 2 |
| 1808 | 2 |
| 1814 | 1 |
| 1819 | 1 |
| 1831 | 1 |
| 1842 | 1 |
| 1845 | 1 |
| 1850 | 2 |
| 1851 | 1 |
| 1853 | 1 |
| 1866 | 1 |
| 1895 | 1 |
| 1897 | 1 |
| 1903 | 2 |
| 1904 | 3 |
| 1906 | 2 |
| 1907 | 3 |
| 1908 | 1 |
| 1909 | 1 |
| 1911 | 6 |
| 1912 | 4 |
| 1913 | 2 |
| 1914 | 3 |
| 1915 | 5 |
| 1916 | 3 |
| 1917 | 1 |
| 1919 | 4 |
| 1920 | 3 |
| 1921 | 4 |
| 1923 | 2 |
| 1924 | 5 |
| 1925 | 7 |
| 1926 | 9 |
| 1927 | 3 |
| 1928 | 4 |
| 1929 | 6 |
| 1930 | 3 |
| 1931 | 6 |
| 1932 | 3 |
| 1933 | 4 |
| 1934 | 6 |
| 1935 | 8 |
| 1936 | 2 |
| 1937 | 3 |
| 1938 | 4 |
| 1939 | 2 |
| 1940 | 5 |
| 1941 | 5 |
| 1942 | 7 |
| 1943 | 1 |
| 1944 | 5 |
| 1945 | 2 |
| 1946 | 15 |
| 1947 | 21 |
| 1948 | 28 |
| 1949 | 11 |
| 1950 | 28 |
| 1951 | 38 |
| 1952 | 48 |
| 1953 | 43 |
| 1954 | 40 |
| 1955 | 47 |
| 1956 | 35 |
| 1957 | 38 |
| 1958 | 48 |
| 1959 | 32 |
| 1960 | 42 |
| 1961 | 49 |
| 1962 | 33 |
| 1963 | 52 |
| 1964 | 67 |
| 1965 | 53 |
| 1966 | 48 |
| 1967 | 56 |
| 1968 | 68 |
| 1969 | 71 |
| 1970 | 81 |
| 1971 | 72 |
| 1972 | 83 |
| 1973 | 78 |
| 1974 | 101 |
| 1975 | 97 |
| 1976 | 95 |
| 1977 | 103 |
| 1978 | 100 |
| 1979 | 86 |
| 1980 | 94 |
| 1981 | 79 |
| 1982 | 89 |
| 1983 | 111 |
| 1984 | 111 |
| 1985 | 144 |
| 1986 | 127 |
| 1987 | 173 |
| 1988 | 170 |
| 1989 | 188 |
| 1990 | 209 |
| 1991 | 238 |
| 1992 | 248 |
| 1993 | 309 |
| 1994 | 271 |
| 1995 | 305 |
| 1996 | 294 |
| 1997 | 248 |
| 1998 | 275 |
| 1999 | 300 |
| 2000 | 314 |
| 2001 | 318 |
| 2002 | 351 |
| 2003 | 403 |
| 2004 | 431 |
| 2005 | 478 |
| 2006 | 539 |
| 2007 | 544 |
| 2008 | 618 |
| 2009 | 633 |
| 2010 | 700 |
| 2011 | 809 |
| 2012 | 883 |
| 2013 | 972 |
| 2014 | 1121 |
| 2015 | 1207 |
| 2016 | 1319 |
| 2017 | 1268 |
| 2018 | 1316 |
| 2019 | 1402 |
| 2020 | 1509 |
| 2021 | 1765 |
| 2022 | 823 |
