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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1858 | 3 |
| 1859 | 1 |
| 1874 | 1 |
| 1917 | 1 |
| 1928 | 1 |
| 1934 | 1 |
| 1935 | 2 |
| 1943 | 1 |
| 1945 | 6 |
| 1946 | 8 |
| 1947 | 12 |
| 1948 | 32 |
| 1949 | 15 |
| 1950 | 11 |
| 1951 | 17 |
| 1952 | 33 |
| 1953 | 24 |
| 1954 | 19 |
| 1955 | 11 |
| 1956 | 14 |
| 1957 | 20 |
| 1958 | 19 |
| 1959 | 13 |
| 1960 | 19 |
| 1961 | 16 |
| 1962 | 19 |
| 1963 | 22 |
| 1964 | 20 |
| 1965 | 27 |
| 1966 | 30 |
| 1967 | 30 |
| 1968 | 41 |
| 1969 | 48 |
| 1970 | 49 |
| 1971 | 46 |
| 1972 | 38 |
| 1973 | 49 |
| 1974 | 55 |
| 1975 | 41 |
| 1976 | 49 |
| 1977 | 31 |
| 1978 | 58 |
| 1979 | 52 |
| 1980 | 62 |
| 1981 | 73 |
| 1982 | 84 |
| 1983 | 98 |
| 1984 | 77 |
| 1985 | 104 |
| 1986 | 112 |
| 1987 | 108 |
| 1988 | 104 |
| 1989 | 98 |
| 1990 | 116 |
| 1991 | 117 |
| 1992 | 118 |
| 1993 | 142 |
| 1994 | 125 |
| 1995 | 171 |
| 1996 | 176 |
| 1997 | 190 |
| 1998 | 190 |
| 1999 | 176 |
| 2000 | 204 |
| 2001 | 237 |
| 2002 | 225 |
| 2003 | 244 |
| 2004 | 305 |
| 2005 | 334 |
| 2006 | 380 |
| 2007 | 375 |
| 2008 | 477 |
| 2009 | 452 |
| 2010 | 510 |
| 2011 | 566 |
| 2012 | 543 |
| 2013 | 577 |
| 2014 | 590 |
| 2015 | 604 |
| 2016 | 585 |
| 2017 | 606 |
| 2018 | 613 |
| 2019 | 598 |
| 2020 | 652 |
| 2021 | 720 |
| 2022 | 646 |
| 2023 | 620 |
| 2024 | 627 |
| 2025 | 413 |
| 2026 | 2 |