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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1858 | 1 |
| 1947 | 1 |
| 1948 | 1 |
| 1951 | 2 |
| 1952 | 2 |
| 1956 | 1 |
| 1964 | 1 |
| 1966 | 5 |
| 1967 | 2 |
| 1968 | 2 |
| 1969 | 5 |
| 1970 | 1 |
| 1971 | 5 |
| 1972 | 6 |
| 1973 | 3 |
| 1974 | 11 |
| 1975 | 4 |
| 1976 | 7 |
| 1977 | 8 |
| 1978 | 14 |
| 1979 | 16 |
| 1980 | 10 |
| 1981 | 7 |
| 1982 | 14 |
| 1983 | 7 |
| 1984 | 11 |
| 1985 | 16 |
| 1986 | 10 |
| 1987 | 132 |
| 1988 | 218 |
| 1989 | 269 |
| 1990 | 411 |
| 1991 | 378 |
| 1992 | 346 |
| 1993 | 404 |
| 1994 | 357 |
| 1995 | 357 |
| 1996 | 365 |
| 1997 | 460 |
| 1998 | 448 |
| 1999 | 419 |
| 2000 | 500 |
| 2001 | 487 |
| 2002 | 469 |
| 2003 | 422 |
| 2004 | 423 |
| 2005 | 422 |
| 2006 | 447 |
| 2007 | 443 |
| 2008 | 404 |
| 2009 | 413 |
| 2010 | 427 |
| 2011 | 452 |
| 2012 | 511 |
| 2013 | 568 |
| 2014 | 877 |
| 2015 | 1245 |
| 2016 | 1428 |
| 2017 | 1589 |
| 2018 | 1670 |
| 2019 | 1780 |
| 2020 | 2138 |
| 2021 | 2437 |
| 2022 | 2478 |
| 2023 | 2336 |
| 2024 | 1106 |