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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1841 | 1 |
| 1842 | 1 |
| 1844 | 1 |
| 1849 | 3 |
| 1884 | 3 |
| 1885 | 2 |
| 1886 | 1 |
| 1892 | 1 |
| 1912 | 1 |
| 1919 | 3 |
| 1923 | 1 |
| 1924 | 1 |
| 1926 | 1 |
| 1927 | 1 |
| 1928 | 2 |
| 1929 | 4 |
| 1931 | 1 |
| 1932 | 3 |
| 1933 | 2 |
| 1935 | 2 |
| 1936 | 3 |
| 1938 | 2 |
| 1939 | 1 |
| 1940 | 2 |
| 1941 | 2 |
| 1942 | 2 |
| 1943 | 3 |
| 1945 | 2 |
| 1946 | 4 |
| 1947 | 4 |
| 1949 | 2 |
| 1950 | 2 |
| 1951 | 12 |
| 1952 | 7 |
| 1953 | 10 |
| 1954 | 9 |
| 1955 | 10 |
| 1956 | 12 |
| 1957 | 3 |
| 1958 | 5 |
| 1959 | 7 |
| 1960 | 5 |
| 1961 | 6 |
| 1962 | 7 |
| 1963 | 7 |
| 1964 | 9 |
| 1965 | 12 |
| 1966 | 11 |
| 1967 | 7 |
| 1968 | 10 |
| 1969 | 13 |
| 1970 | 13 |
| 1971 | 14 |
| 1972 | 12 |
| 1973 | 20 |
| 1974 | 20 |
| 1975 | 25 |
| 1976 | 27 |
| 1977 | 23 |
| 1978 | 41 |
| 1979 | 32 |
| 1980 | 29 |
| 1981 | 49 |
| 1982 | 42 |
| 1983 | 41 |
| 1984 | 43 |
| 1985 | 53 |
| 1986 | 59 |
| 1987 | 42 |
| 1988 | 38 |
| 1989 | 46 |
| 1990 | 56 |
| 1991 | 56 |
| 1992 | 66 |
| 1993 | 56 |
| 1994 | 61 |
| 1995 | 74 |
| 1996 | 68 |
| 1997 | 82 |
| 1998 | 78 |
| 1999 | 79 |
| 2000 | 103 |
| 2001 | 119 |
| 2002 | 91 |
| 2003 | 88 |
| 2004 | 115 |
| 2005 | 109 |
| 2006 | 107 |
| 2007 | 89 |
| 2008 | 89 |
| 2009 | 88 |
| 2010 | 84 |
| 2011 | 102 |
| 2012 | 87 |
| 2013 | 108 |
| 2014 | 107 |
| 2015 | 131 |
| 2016 | 117 |
| 2017 | 137 |
| 2018 | 132 |
| 2019 | 145 |
| 2020 | 164 |
| 2021 | 175 |
| 2022 | 176 |
| 2023 | 134 |
| 2024 | 96 |