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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1822 | 1 |
| 1824 | 1 |
| 1844 | 1 |
| 1853 | 2 |
| 1856 | 2 |
| 1857 | 2 |
| 1861 | 1 |
| 1866 | 1 |
| 1872 | 2 |
| 1881 | 3 |
| 1882 | 8 |
| 1883 | 10 |
| 1884 | 2 |
| 1885 | 2 |
| 1887 | 2 |
| 1888 | 1 |
| 1893 | 1 |
| 1895 | 3 |
| 1896 | 1 |
| 1898 | 2 |
| 1899 | 3 |
| 1900 | 1 |
| 1902 | 1 |
| 1903 | 2 |
| 1904 | 2 |
| 1910 | 1 |
| 1911 | 2 |
| 1913 | 2 |
| 1916 | 4 |
| 1918 | 2 |
| 1919 | 1 |
| 1921 | 3 |
| 1922 | 2 |
| 1925 | 1 |
| 1926 | 4 |
| 1927 | 3 |
| 1928 | 2 |
| 1929 | 1 |
| 1930 | 2 |
| 1931 | 4 |
| 1933 | 3 |
| 1934 | 6 |
| 1935 | 4 |
| 1936 | 3 |
| 1937 | 3 |
| 1938 | 2 |
| 1939 | 5 |
| 1940 | 4 |
| 1941 | 3 |
| 1942 | 1 |
| 1943 | 8 |
| 1944 | 5 |
| 1945 | 9 |
| 1946 | 32 |
| 1947 | 28 |
| 1948 | 31 |
| 1949 | 41 |
| 1950 | 45 |
| 1951 | 55 |
| 1952 | 40 |
| 1953 | 47 |
| 1954 | 61 |
| 1955 | 42 |
| 1956 | 50 |
| 1957 | 46 |
| 1958 | 55 |
| 1959 | 46 |
| 1960 | 46 |
| 1961 | 55 |
| 1962 | 55 |
| 1963 | 65 |
| 1964 | 102 |
| 1965 | 87 |
| 1966 | 102 |
| 1967 | 92 |
| 1968 | 121 |
| 1969 | 142 |
| 1970 | 133 |
| 1971 | 156 |
| 1972 | 161 |
| 1973 | 155 |
| 1974 | 142 |
| 1975 | 189 |
| 1976 | 197 |
| 1977 | 181 |
| 1978 | 179 |
| 1979 | 204 |
| 1980 | 211 |
| 1981 | 190 |
| 1982 | 216 |
| 1983 | 246 |
| 1984 | 268 |
| 1985 | 271 |
| 1986 | 280 |
| 1987 | 346 |
| 1988 | 338 |
| 1989 | 399 |
| 1990 | 420 |
| 1991 | 402 |
| 1992 | 432 |
| 1993 | 484 |
| 1994 | 496 |
| 1995 | 456 |
| 1996 | 554 |
| 1997 | 505 |
| 1998 | 586 |
| 1999 | 644 |
| 2000 | 714 |
| 2001 | 775 |
| 2002 | 843 |
| 2003 | 906 |
| 2004 | 1010 |
| 2005 | 1165 |
| 2006 | 1238 |
| 2007 | 1354 |
| 2008 | 1531 |
| 2009 | 1685 |
| 2010 | 1809 |
| 2011 | 1913 |
| 2012 | 2354 |
| 2013 | 2428 |
| 2014 | 2696 |
| 2015 | 3259 |
| 2016 | 3469 |
| 2017 | 3455 |
| 2018 | 3866 |
| 2019 | 4008 |
| 2020 | 4174 |
| 2021 | 4751 |
| 2022 | 4301 |
| 2023 | 555 |