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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1861 | 6 |
| 1880 | 1 |
| 1884 | 1 |
| 1889 | 1 |
| 1892 | 1 |
| 1896 | 2 |
| 1913 | 1 |
| 1941 | 1 |
| 1949 | 1 |
| 1950 | 2 |
| 1954 | 1 |
| 1955 | 1 |
| 1958 | 1 |
| 1959 | 2 |
| 1966 | 2 |
| 1967 | 4 |
| 1968 | 9 |
| 1969 | 18 |
| 1970 | 14 |
| 1971 | 13 |
| 1972 | 20 |
| 1973 | 28 |
| 1974 | 26 |
| 1975 | 18 |
| 1976 | 41 |
| 1977 | 27 |
| 1978 | 23 |
| 1979 | 25 |
| 1980 | 75 |
| 1981 | 169 |
| 1982 | 176 |
| 1983 | 251 |
| 1984 | 276 |
| 1985 | 238 |
| 1986 | 315 |
| 1987 | 280 |
| 1988 | 298 |
| 1989 | 279 |
| 1990 | 234 |
| 1991 | 210 |
| 1992 | 261 |
| 1993 | 302 |
| 1994 | 343 |
| 1995 | 414 |
| 1996 | 475 |
| 1997 | 433 |
| 1998 | 405 |
| 1999 | 333 |
| 2000 | 404 |
| 2001 | 355 |
| 2002 | 403 |
| 2003 | 456 |
| 2004 | 418 |
| 2005 | 351 |
| 2006 | 321 |
| 2007 | 281 |
| 2008 | 346 |
| 2009 | 419 |
| 2010 | 416 |
| 2011 | 717 |
| 2012 | 810 |
| 2013 | 922 |
| 2014 | 1680 |
| 2015 | 2160 |
| 2016 | 1986 |
| 2017 | 1860 |
| 2018 | 3027 |
| 2019 | 4849 |
| 2020 | 5161 |
| 2021 | 5785 |
| 2022 | 6031 |
| 2023 | 5124 |
| 2024 | 1707 |