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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1844 | 1 |
| 1851 | 1 |
| 1852 | 2 |
| 1855 | 1 |
| 1871 | 1 |
| 1888 | 1 |
| 1889 | 1 |
| 1902 | 1 |
| 1908 | 1 |
| 1929 | 1 |
| 1935 | 1 |
| 1945 | 6 |
| 1946 | 12 |
| 1947 | 12 |
| 1948 | 1 |
| 1949 | 10 |
| 1950 | 15 |
| 1951 | 22 |
| 1952 | 29 |
| 1953 | 17 |
| 1954 | 17 |
| 1955 | 14 |
| 1956 | 18 |
| 1957 | 12 |
| 1958 | 13 |
| 1959 | 12 |
| 1960 | 13 |
| 1961 | 19 |
| 1962 | 6 |
| 1963 | 10 |
| 1964 | 19 |
| 1965 | 34 |
| 1966 | 22 |
| 1967 | 46 |
| 1968 | 35 |
| 1969 | 39 |
| 1970 | 49 |
| 1971 | 44 |
| 1972 | 54 |
| 1973 | 46 |
| 1974 | 54 |
| 1975 | 63 |
| 1976 | 65 |
| 1977 | 89 |
| 1978 | 96 |
| 1979 | 98 |
| 1980 | 96 |
| 1981 | 101 |
| 1982 | 89 |
| 1983 | 117 |
| 1984 | 80 |
| 1985 | 95 |
| 1986 | 130 |
| 1987 | 122 |
| 1988 | 131 |
| 1989 | 155 |
| 1990 | 164 |
| 1991 | 121 |
| 1992 | 155 |
| 1993 | 152 |
| 1994 | 146 |
| 1995 | 147 |
| 1996 | 171 |
| 1997 | 173 |
| 1998 | 169 |
| 1999 | 154 |
| 2000 | 200 |
| 2001 | 195 |
| 2002 | 166 |
| 2003 | 177 |
| 2004 | 227 |
| 2005 | 262 |
| 2006 | 236 |
| 2007 | 289 |
| 2008 | 305 |
| 2009 | 339 |
| 2010 | 318 |
| 2011 | 361 |
| 2012 | 361 |
| 2013 | 403 |
| 2014 | 366 |
| 2015 | 371 |
| 2016 | 452 |
| 2017 | 429 |
| 2018 | 438 |
| 2019 | 420 |
| 2020 | 461 |
| 2021 | 476 |
| 2022 | 465 |
| 2023 | 404 |
| 2024 | 386 |
| 2025 | 19 |