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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1857 | 1 |
| 1863 | 1 |
| 1867 | 1 |
| 1875 | 1 |
| 1898 | 1 |
| 1902 | 1 |
| 1907 | 1 |
| 1911 | 1 |
| 1925 | 1 |
| 1927 | 1 |
| 1937 | 1 |
| 1941 | 3 |
| 1942 | 1 |
| 1943 | 1 |
| 1945 | 1 |
| 1947 | 3 |
| 1948 | 4 |
| 1949 | 5 |
| 1950 | 5 |
| 1951 | 2 |
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 3 |
| 1955 | 4 |
| 1956 | 2 |
| 1957 | 1 |
| 1959 | 3 |
| 1960 | 2 |
| 1961 | 1 |
| 1962 | 4 |
| 1963 | 5 |
| 1964 | 4 |
| 1965 | 11 |
| 1966 | 29 |
| 1967 | 21 |
| 1968 | 16 |
| 1969 | 13 |
| 1970 | 16 |
| 1971 | 16 |
| 1972 | 12 |
| 1973 | 20 |
| 1974 | 20 |
| 1975 | 90 |
| 1976 | 124 |
| 1977 | 104 |
| 1978 | 131 |
| 1979 | 129 |
| 1980 | 111 |
| 1981 | 134 |
| 1982 | 134 |
| 1983 | 172 |
| 1984 | 192 |
| 1985 | 179 |
| 1986 | 176 |
| 1987 | 189 |
| 1988 | 188 |
| 1989 | 295 |
| 1990 | 322 |
| 1991 | 321 |
| 1992 | 320 |
| 1993 | 364 |
| 1994 | 402 |
| 1995 | 403 |
| 1996 | 402 |
| 1997 | 465 |
| 1998 | 494 |
| 1999 | 509 |
| 2000 | 566 |
| 2001 | 584 |
| 2002 | 647 |
| 2003 | 660 |
| 2004 | 724 |
| 2005 | 795 |
| 2006 | 822 |
| 2007 | 934 |
| 2008 | 936 |
| 2009 | 947 |
| 2010 | 1059 |
| 2011 | 1126 |
| 2012 | 1261 |
| 2013 | 1255 |
| 2014 | 1305 |
| 2015 | 1343 |
| 2016 | 1356 |
| 2017 | 1479 |
| 2018 | 1559 |
| 2019 | 1622 |
| 2020 | 1946 |
| 2021 | 2121 |
| 2022 | 2051 |
| 2023 | 1766 |
| 2024 | 691 |