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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1846 | 1 |
| 1884 | 1 |
| 1890 | 1 |
| 1892 | 1 |
| 1894 | 2 |
| 1897 | 1 |
| 1898 | 1 |
| 1908 | 1 |
| 1912 | 2 |
| 1913 | 1 |
| 1920 | 1 |
| 1922 | 2 |
| 1924 | 1 |
| 1927 | 1 |
| 1930 | 1 |
| 1932 | 1 |
| 1933 | 1 |
| 1934 | 1 |
| 1935 | 3 |
| 1936 | 1 |
| 1937 | 2 |
| 1940 | 2 |
| 1941 | 2 |
| 1942 | 1 |
| 1943 | 1 |
| 1945 | 5 |
| 1946 | 9 |
| 1947 | 12 |
| 1948 | 9 |
| 1949 | 10 |
| 1950 | 5 |
| 1951 | 8 |
| 1952 | 9 |
| 1953 | 7 |
| 1954 | 14 |
| 1955 | 17 |
| 1956 | 12 |
| 1957 | 15 |
| 1958 | 14 |
| 1959 | 18 |
| 1960 | 13 |
| 1961 | 13 |
| 1962 | 17 |
| 1963 | 25 |
| 1964 | 23 |
| 1965 | 24 |
| 1966 | 31 |
| 1967 | 20 |
| 1968 | 32 |
| 1969 | 27 |
| 1970 | 33 |
| 1971 | 29 |
| 1972 | 40 |
| 1973 | 56 |
| 1974 | 62 |
| 1975 | 67 |
| 1976 | 61 |
| 1977 | 63 |
| 1978 | 90 |
| 1979 | 103 |
| 1980 | 89 |
| 1981 | 93 |
| 1982 | 95 |
| 1983 | 82 |
| 1984 | 110 |
| 1985 | 92 |
| 1986 | 102 |
| 1987 | 115 |
| 1988 | 102 |
| 1989 | 92 |
| 1990 | 94 |
| 1991 | 105 |
| 1992 | 100 |
| 1993 | 110 |
| 1994 | 82 |
| 1995 | 97 |
| 1996 | 94 |
| 1997 | 115 |
| 1998 | 81 |
| 1999 | 83 |
| 2000 | 116 |
| 2001 | 109 |
| 2002 | 98 |
| 2003 | 97 |
| 2004 | 110 |
| 2005 | 121 |
| 2006 | 114 |
| 2007 | 127 |
| 2008 | 147 |
| 2009 | 128 |
| 2010 | 183 |
| 2011 | 185 |
| 2012 | 164 |
| 2013 | 194 |
| 2014 | 200 |
| 2015 | 205 |
| 2016 | 197 |
| 2017 | 229 |
| 2018 | 214 |
| 2019 | 222 |
| 2020 | 201 |
| 2021 | 222 |
| 2022 | 210 |
| 2023 | 202 |
| 2024 | 201 |
| 2025 | 205 |