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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1803 | 2 |
| 1851 | 1 |
| 1858 | 1 |
| 1893 | 1 |
| 1894 | 1 |
| 1898 | 1 |
| 1899 | 1 |
| 1914 | 1 |
| 1919 | 1 |
| 1922 | 1 |
| 1923 | 1 |
| 1926 | 1 |
| 1927 | 1 |
| 1929 | 2 |
| 1931 | 1 |
| 1932 | 2 |
| 1937 | 1 |
| 1939 | 1 |
| 1943 | 1 |
| 1944 | 1 |
| 1945 | 2 |
| 1946 | 3 |
| 1947 | 14 |
| 1948 | 20 |
| 1949 | 14 |
| 1950 | 19 |
| 1951 | 20 |
| 1952 | 32 |
| 1953 | 28 |
| 1954 | 22 |
| 1955 | 25 |
| 1956 | 25 |
| 1957 | 25 |
| 1958 | 37 |
| 1959 | 33 |
| 1960 | 31 |
| 1961 | 36 |
| 1962 | 33 |
| 1963 | 46 |
| 1964 | 53 |
| 1965 | 48 |
| 1966 | 65 |
| 1967 | 47 |
| 1968 | 47 |
| 1969 | 59 |
| 1970 | 70 |
| 1971 | 65 |
| 1972 | 65 |
| 1973 | 74 |
| 1974 | 86 |
| 1975 | 78 |
| 1976 | 106 |
| 1977 | 96 |
| 1978 | 103 |
| 1979 | 114 |
| 1980 | 117 |
| 1981 | 121 |
| 1982 | 111 |
| 1983 | 100 |
| 1984 | 146 |
| 1985 | 145 |
| 1986 | 146 |
| 1987 | 168 |
| 1988 | 166 |
| 1989 | 166 |
| 1990 | 169 |
| 1991 | 158 |
| 1992 | 154 |
| 1993 | 158 |
| 1994 | 199 |
| 1995 | 228 |
| 1996 | 219 |
| 1997 | 186 |
| 1998 | 214 |
| 1999 | 228 |
| 2000 | 227 |
| 2001 | 276 |
| 2002 | 286 |
| 2003 | 322 |
| 2004 | 359 |
| 2005 | 476 |
| 2006 | 521 |
| 2007 | 551 |
| 2008 | 604 |
| 2009 | 587 |
| 2010 | 637 |
| 2011 | 651 |
| 2012 | 723 |
| 2013 | 752 |
| 2014 | 771 |
| 2015 | 952 |
| 2016 | 935 |
| 2017 | 877 |
| 2018 | 902 |
| 2019 | 1084 |
| 2020 | 1401 |
| 2021 | 1536 |
| 2022 | 1341 |
| 2023 | 1306 |
| 2024 | 1336 |
| 2025 | 1018 |