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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1806 | 1 |
| 1826 | 1 |
| 1843 | 1 |
| 1902 | 1 |
| 1904 | 1 |
| 1906 | 1 |
| 1913 | 1 |
| 1919 | 1 |
| 1924 | 1 |
| 1925 | 1 |
| 1937 | 2 |
| 1949 | 3 |
| 1950 | 1 |
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 6 |
| 1955 | 3 |
| 1956 | 4 |
| 1957 | 7 |
| 1958 | 3 |
| 1959 | 6 |
| 1960 | 8 |
| 1961 | 12 |
| 1962 | 8 |
| 1963 | 12 |
| 1964 | 7 |
| 1965 | 5 |
| 1966 | 6 |
| 1967 | 9 |
| 1969 | 4 |
| 1970 | 7 |
| 1971 | 3 |
| 1972 | 2 |
| 1973 | 2 |
| 1974 | 11 |
| 1975 | 15 |
| 1976 | 8 |
| 1977 | 16 |
| 1978 | 16 |
| 1979 | 17 |
| 1980 | 17 |
| 1981 | 20 |
| 1982 | 37 |
| 1983 | 31 |
| 1984 | 26 |
| 1985 | 32 |
| 1986 | 31 |
| 1987 | 36 |
| 1988 | 31 |
| 1989 | 36 |
| 1990 | 38 |
| 1991 | 42 |
| 1992 | 53 |
| 1993 | 58 |
| 1994 | 61 |
| 1995 | 66 |
| 1996 | 64 |
| 1997 | 84 |
| 1998 | 76 |
| 1999 | 61 |
| 2000 | 77 |
| 2001 | 74 |
| 2002 | 66 |
| 2003 | 78 |
| 2004 | 96 |
| 2005 | 97 |
| 2006 | 90 |
| 2007 | 104 |
| 2008 | 105 |
| 2009 | 124 |
| 2010 | 166 |
| 2011 | 135 |
| 2012 | 141 |
| 2013 | 165 |
| 2014 | 183 |
| 2015 | 195 |
| 2016 | 182 |
| 2017 | 214 |
| 2018 | 202 |
| 2019 | 174 |
| 2020 | 217 |
| 2021 | 204 |
| 2022 | 181 |
| 2023 | 88 |