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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1812 | 1 |
| 1880 | 2 |
| 1887 | 1 |
| 1890 | 1 |
| 1891 | 1 |
| 1897 | 1 |
| 1902 | 1 |
| 1912 | 1 |
| 1918 | 1 |
| 1919 | 1 |
| 1926 | 1 |
| 1927 | 1 |
| 1932 | 1 |
| 1935 | 1 |
| 1939 | 1 |
| 1940 | 1 |
| 1941 | 1 |
| 1942 | 1 |
| 1943 | 1 |
| 1944 | 1 |
| 1946 | 4 |
| 1947 | 6 |
| 1948 | 6 |
| 1950 | 12 |
| 1951 | 27 |
| 1952 | 28 |
| 1953 | 23 |
| 1954 | 19 |
| 1955 | 11 |
| 1956 | 14 |
| 1957 | 26 |
| 1958 | 21 |
| 1959 | 16 |
| 1960 | 12 |
| 1961 | 5 |
| 1962 | 11 |
| 1963 | 95 |
| 1964 | 121 |
| 1965 | 90 |
| 1966 | 55 |
| 1967 | 69 |
| 1968 | 70 |
| 1969 | 80 |
| 1970 | 91 |
| 1971 | 73 |
| 1972 | 79 |
| 1973 | 78 |
| 1974 | 79 |
| 1975 | 120 |
| 1976 | 123 |
| 1977 | 147 |
| 1978 | 133 |
| 1979 | 175 |
| 1980 | 171 |
| 1981 | 254 |
| 1982 | 230 |
| 1983 | 254 |
| 1984 | 245 |
| 1985 | 302 |
| 1986 | 343 |
| 1987 | 657 |
| 1988 | 1246 |
| 1989 | 1803 |
| 1990 | 1975 |
| 1991 | 2206 |
| 1992 | 2372 |
| 1993 | 2454 |
| 1994 | 2542 |
| 1995 | 2775 |
| 1996 | 2804 |
| 1997 | 2920 |
| 1998 | 3023 |
| 1999 | 3234 |
| 2000 | 3727 |
| 2001 | 4087 |
| 2002 | 4470 |
| 2003 | 5006 |
| 2004 | 5699 |
| 2005 | 6212 |
| 2006 | 6609 |
| 2007 | 6908 |
| 2008 | 7657 |
| 2009 | 8130 |
| 2010 | 9001 |
| 2011 | 9533 |
| 2012 | 10102 |
| 2013 | 10638 |
| 2014 | 11563 |
| 2015 | 12266 |
| 2016 | 12606 |
| 2017 | 12769 |
| 2018 | 13578 |
| 2019 | 14427 |
| 2020 | 16564 |
| 2021 | 17509 |
| 2022 | 16902 |
| 2023 | 16534 |
| 2024 | 7568 |