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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1812 | 1 |
| 1858 | 1 |
| 1874 | 1 |
| 1881 | 1 |
| 1885 | 1 |
| 1887 | 1 |
| 1894 | 1 |
| 1899 | 1 |
| 1911 | 3 |
| 1912 | 1 |
| 1913 | 1 |
| 1914 | 1 |
| 1918 | 1 |
| 1920 | 2 |
| 1921 | 2 |
| 1922 | 3 |
| 1923 | 1 |
| 1924 | 1 |
| 1926 | 1 |
| 1927 | 1 |
| 1928 | 4 |
| 1929 | 1 |
| 1930 | 4 |
| 1931 | 6 |
| 1932 | 1 |
| 1933 | 3 |
| 1934 | 4 |
| 1935 | 2 |
| 1936 | 3 |
| 1937 | 1 |
| 1938 | 3 |
| 1939 | 3 |
| 1941 | 3 |
| 1942 | 3 |
| 1943 | 4 |
| 1944 | 2 |
| 1945 | 2 |
| 1946 | 17 |
| 1947 | 24 |
| 1948 | 31 |
| 1949 | 22 |
| 1950 | 25 |
| 1951 | 22 |
| 1952 | 17 |
| 1953 | 34 |
| 1954 | 28 |
| 1955 | 21 |
| 1956 | 17 |
| 1957 | 30 |
| 1958 | 19 |
| 1959 | 16 |
| 1960 | 20 |
| 1961 | 37 |
| 1962 | 36 |
| 1963 | 51 |
| 1964 | 35 |
| 1965 | 52 |
| 1966 | 55 |
| 1967 | 53 |
| 1968 | 54 |
| 1969 | 55 |
| 1970 | 69 |
| 1971 | 87 |
| 1972 | 97 |
| 1973 | 90 |
| 1974 | 81 |
| 1975 | 93 |
| 1976 | 97 |
| 1977 | 93 |
| 1978 | 108 |
| 1979 | 116 |
| 1980 | 112 |
| 1981 | 125 |
| 1982 | 121 |
| 1983 | 154 |
| 1984 | 150 |
| 1985 | 155 |
| 1986 | 170 |
| 1987 | 222 |
| 1988 | 375 |
| 1989 | 457 |
| 1990 | 411 |
| 1991 | 410 |
| 1992 | 431 |
| 1993 | 401 |
| 1994 | 419 |
| 1995 | 393 |
| 1996 | 479 |
| 1997 | 541 |
| 1998 | 665 |
| 1999 | 881 |
| 2000 | 1122 |
| 2001 | 1331 |
| 2002 | 1549 |
| 2003 | 1787 |
| 2004 | 2018 |
| 2005 | 2377 |
| 2006 | 2582 |
| 2007 | 2711 |
| 2008 | 2929 |
| 2009 | 3096 |
| 2010 | 3396 |
| 2011 | 3731 |
| 2012 | 4013 |
| 2013 | 4406 |
| 2014 | 5969 |
| 2015 | 7266 |
| 2016 | 7830 |
| 2017 | 7963 |
| 2018 | 8574 |
| 2019 | 8945 |
| 2020 | 10081 |
| 2021 | 10999 |
| 2022 | 10195 |
| 2023 | 2600 |