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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1872 | 1 |
| 1897 | 1 |
| 1898 | 1 |
| 1900 | 1 |
| 1902 | 1 |
| 1904 | 1 |
| 1905 | 1 |
| 1910 | 1 |
| 1911 | 2 |
| 1912 | 1 |
| 1913 | 1 |
| 1914 | 1 |
| 1917 | 1 |
| 1918 | 1 |
| 1919 | 1 |
| 1922 | 1 |
| 1931 | 1 |
| 1932 | 2 |
| 1933 | 1 |
| 1934 | 1 |
| 1935 | 3 |
| 1936 | 2 |
| 1939 | 4 |
| 1940 | 5 |
| 1941 | 1 |
| 1942 | 2 |
| 1943 | 3 |
| 1944 | 5 |
| 1945 | 4 |
| 1946 | 6 |
| 1947 | 14 |
| 1948 | 10 |
| 1949 | 11 |
| 1950 | 6 |
| 1951 | 7 |
| 1952 | 7 |
| 1953 | 6 |
| 1954 | 8 |
| 1955 | 7 |
| 1956 | 4 |
| 1957 | 4 |
| 1958 | 9 |
| 1959 | 6 |
| 1960 | 9 |
| 1961 | 15 |
| 1962 | 19 |
| 1963 | 16 |
| 1964 | 22 |
| 1965 | 11 |
| 1966 | 10 |
| 1967 | 15 |
| 1968 | 15 |
| 1969 | 21 |
| 1970 | 31 |
| 1971 | 33 |
| 1972 | 34 |
| 1973 | 32 |
| 1974 | 32 |
| 1975 | 50 |
| 1976 | 54 |
| 1977 | 40 |
| 1978 | 37 |
| 1979 | 40 |
| 1980 | 52 |
| 1981 | 58 |
| 1982 | 42 |
| 1983 | 52 |
| 1984 | 64 |
| 1985 | 59 |
| 1986 | 66 |
| 1987 | 68 |
| 1988 | 64 |
| 1989 | 66 |
| 1990 | 85 |
| 1991 | 72 |
| 1992 | 90 |
| 1993 | 81 |
| 1994 | 83 |
| 1995 | 100 |
| 1996 | 102 |
| 1997 | 89 |
| 1998 | 97 |
| 1999 | 108 |
| 2000 | 108 |
| 2001 | 110 |
| 2002 | 109 |
| 2003 | 124 |
| 2004 | 161 |
| 2005 | 142 |
| 2006 | 112 |
| 2007 | 144 |
| 2008 | 156 |
| 2009 | 118 |
| 2010 | 101 |
| 2011 | 139 |
| 2012 | 145 |
| 2013 | 147 |
| 2014 | 167 |
| 2015 | 190 |
| 2016 | 173 |
| 2017 | 154 |
| 2018 | 158 |
| 2019 | 159 |
| 2020 | 158 |
| 2021 | 199 |
| 2022 | 184 |
| 2023 | 126 |
| 2024 | 120 |