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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1861 | 1 |
| 1871 | 1 |
| 1873 | 1 |
| 1874 | 1 |
| 1877 | 3 |
| 1904 | 3 |
| 1906 | 2 |
| 1907 | 1 |
| 1915 | 2 |
| 1916 | 1 |
| 1919 | 1 |
| 1921 | 2 |
| 1922 | 1 |
| 1925 | 1 |
| 1940 | 1 |
| 1945 | 1 |
| 1946 | 2 |
| 1948 | 1 |
| 1950 | 2 |
| 1951 | 4 |
| 1952 | 2 |
| 1953 | 2 |
| 1954 | 3 |
| 1955 | 6 |
| 1956 | 2 |
| 1957 | 4 |
| 1958 | 6 |
| 1959 | 2 |
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 3 |
| 1963 | 2 |
| 1964 | 3 |
| 1965 | 7 |
| 1966 | 6 |
| 1967 | 8 |
| 1968 | 12 |
| 1969 | 9 |
| 1970 | 14 |
| 1971 | 11 |
| 1972 | 6 |
| 1973 | 9 |
| 1974 | 18 |
| 1975 | 29 |
| 1976 | 47 |
| 1977 | 27 |
| 1978 | 35 |
| 1979 | 45 |
| 1980 | 36 |
| 1981 | 37 |
| 1982 | 40 |
| 1983 | 46 |
| 1984 | 62 |
| 1985 | 43 |
| 1986 | 38 |
| 1987 | 49 |
| 1988 | 69 |
| 1989 | 91 |
| 1990 | 85 |
| 1991 | 72 |
| 1992 | 84 |
| 1993 | 116 |
| 1994 | 104 |
| 1995 | 109 |
| 1996 | 109 |
| 1997 | 117 |
| 1998 | 163 |
| 1999 | 153 |
| 2000 | 496 |
| 2001 | 172 |
| 2002 | 159 |
| 2003 | 176 |
| 2004 | 172 |
| 2005 | 255 |
| 2006 | 280 |
| 2007 | 377 |
| 2008 | 392 |
| 2009 | 427 |
| 2010 | 568 |
| 2011 | 631 |
| 2012 | 713 |
| 2013 | 869 |
| 2014 | 875 |
| 2015 | 822 |
| 2016 | 1157 |
| 2017 | 1297 |
| 2018 | 1207 |
| 2019 | 1427 |
| 2020 | 2332 |
| 2021 | 2845 |
| 2022 | 2932 |
| 2023 | 2314 |