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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1849 | 1 |
| 1864 | 1 |
| 1885 | 1 |
| 1904 | 1 |
| 1929 | 1 |
| 1936 | 1 |
| 1941 | 1 |
| 1945 | 1 |
| 1946 | 1 |
| 1947 | 3 |
| 1948 | 2 |
| 1949 | 2 |
| 1950 | 1 |
| 1951 | 1 |
| 1952 | 2 |
| 1953 | 1 |
| 1955 | 2 |
| 1956 | 1 |
| 1957 | 1 |
| 1959 | 1 |
| 1960 | 2 |
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 5 |
| 1966 | 5 |
| 1968 | 4 |
| 1969 | 12 |
| 1970 | 8 |
| 1971 | 5 |
| 1972 | 6 |
| 1973 | 14 |
| 1974 | 19 |
| 1975 | 149 |
| 1976 | 163 |
| 1977 | 172 |
| 1978 | 178 |
| 1979 | 187 |
| 1980 | 245 |
| 1981 | 244 |
| 1982 | 286 |
| 1983 | 304 |
| 1984 | 294 |
| 1985 | 342 |
| 1986 | 362 |
| 1987 | 390 |
| 1988 | 427 |
| 1989 | 444 |
| 1990 | 466 |
| 1991 | 504 |
| 1992 | 478 |
| 1993 | 541 |
| 1994 | 550 |
| 1995 | 520 |
| 1996 | 565 |
| 1997 | 563 |
| 1998 | 580 |
| 1999 | 657 |
| 2000 | 629 |
| 2001 | 694 |
| 2002 | 682 |
| 2003 | 727 |
| 2004 | 876 |
| 2005 | 864 |
| 2006 | 767 |
| 2007 | 801 |
| 2008 | 876 |
| 2009 | 904 |
| 2010 | 1014 |
| 2011 | 1102 |
| 2012 | 1200 |
| 2013 | 1228 |
| 2014 | 1344 |
| 2015 | 1473 |
| 2016 | 1380 |
| 2017 | 1305 |
| 2018 | 1506 |
| 2019 | 1485 |
| 2020 | 1640 |
| 2021 | 1842 |
| 2022 | 1676 |
| 2023 | 1533 |
| 2024 | 470 |