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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1807 | 1 |
| 1808 | 2 |
| 1818 | 1 |
| 1826 | 1 |
| 1844 | 1 |
| 1912 | 2 |
| 1931 | 1 |
| 1932 | 2 |
| 1937 | 1 |
| 1940 | 1 |
| 1944 | 1 |
| 1945 | 2 |
| 1946 | 4 |
| 1947 | 9 |
| 1948 | 10 |
| 1949 | 16 |
| 1950 | 28 |
| 1951 | 27 |
| 1952 | 19 |
| 1953 | 20 |
| 1954 | 18 |
| 1955 | 15 |
| 1956 | 19 |
| 1957 | 16 |
| 1958 | 18 |
| 1959 | 17 |
| 1960 | 12 |
| 1961 | 16 |
| 1962 | 15 |
| 1963 | 12 |
| 1964 | 22 |
| 1965 | 22 |
| 1966 | 16 |
| 1967 | 12 |
| 1968 | 20 |
| 1969 | 27 |
| 1970 | 18 |
| 1971 | 29 |
| 1972 | 23 |
| 1973 | 23 |
| 1974 | 30 |
| 1975 | 28 |
| 1976 | 31 |
| 1977 | 53 |
| 1978 | 34 |
| 1979 | 30 |
| 1980 | 36 |
| 1981 | 53 |
| 1982 | 51 |
| 1983 | 60 |
| 1984 | 75 |
| 1985 | 83 |
| 1986 | 102 |
| 1987 | 83 |
| 1988 | 90 |
| 1989 | 122 |
| 1990 | 97 |
| 1991 | 113 |
| 1992 | 123 |
| 1993 | 116 |
| 1994 | 132 |
| 1995 | 122 |
| 1996 | 115 |
| 1997 | 122 |
| 1998 | 149 |
| 1999 | 129 |
| 2000 | 158 |
| 2001 | 150 |
| 2002 | 144 |
| 2003 | 163 |
| 2004 | 177 |
| 2005 | 171 |
| 2006 | 198 |
| 2007 | 183 |
| 2008 | 196 |
| 2009 | 197 |
| 2010 | 230 |
| 2011 | 254 |
| 2012 | 273 |
| 2013 | 267 |
| 2014 | 254 |
| 2015 | 273 |
| 2016 | 253 |
| 2017 | 243 |
| 2018 | 256 |
| 2019 | 239 |
| 2020 | 297 |
| 2021 | 316 |
| 2022 | 288 |
| 2023 | 195 |