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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1859 | 1 |
| 1864 | 1 |
| 1899 | 1 |
| 1900 | 1 |
| 1918 | 1 |
| 1942 | 1 |
| 1944 | 1 |
| 1946 | 1 |
| 1949 | 1 |
| 1950 | 6 |
| 1951 | 1 |
| 1952 | 5 |
| 1953 | 4 |
| 1954 | 7 |
| 1956 | 1 |
| 1957 | 3 |
| 1958 | 2 |
| 1959 | 2 |
| 1960 | 3 |
| 1961 | 17 |
| 1962 | 3 |
| 1963 | 22 |
| 1964 | 31 |
| 1965 | 32 |
| 1966 | 31 |
| 1967 | 19 |
| 1968 | 24 |
| 1969 | 13 |
| 1970 | 21 |
| 1971 | 6 |
| 1972 | 9 |
| 1973 | 25 |
| 1974 | 18 |
| 1975 | 42 |
| 1976 | 40 |
| 1977 | 42 |
| 1978 | 44 |
| 1979 | 47 |
| 1980 | 64 |
| 1981 | 43 |
| 1982 | 55 |
| 1983 | 62 |
| 1984 | 58 |
| 1985 | 60 |
| 1986 | 78 |
| 1987 | 97 |
| 1988 | 115 |
| 1989 | 151 |
| 1990 | 163 |
| 1991 | 159 |
| 1992 | 199 |
| 1993 | 173 |
| 1994 | 202 |
| 1995 | 279 |
| 1996 | 312 |
| 1997 | 410 |
| 1998 | 509 |
| 1999 | 615 |
| 2000 | 785 |
| 2001 | 834 |
| 2002 | 927 |
| 2003 | 1150 |
| 2004 | 1284 |
| 2005 | 1413 |
| 2006 | 1643 |
| 2007 | 1862 |
| 2008 | 1918 |
| 2009 | 2027 |
| 2010 | 2273 |
| 2011 | 2435 |
| 2012 | 2551 |
| 2013 | 2825 |
| 2014 | 3416 |
| 2015 | 4046 |
| 2016 | 4471 |
| 2017 | 4572 |
| 2018 | 5122 |
| 2019 | 5375 |
| 2020 | 6271 |
| 2021 | 7143 |
| 2022 | 7083 |
| 2023 | 7071 |
| 2024 | 3466 |