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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1817 | 1 |
| 1827 | 1 |
| 1869 | 1 |
| 1877 | 1 |
| 1889 | 1 |
| 1890 | 1 |
| 1891 | 2 |
| 1893 | 1 |
| 1894 | 2 |
| 1899 | 1 |
| 1908 | 1 |
| 1909 | 1 |
| 1922 | 1 |
| 1924 | 1 |
| 1925 | 1 |
| 1926 | 3 |
| 1928 | 1 |
| 1929 | 1 |
| 1932 | 1 |
| 1933 | 3 |
| 1934 | 1 |
| 1935 | 2 |
| 1937 | 1 |
| 1939 | 4 |
| 1941 | 1 |
| 1942 | 2 |
| 1943 | 1 |
| 1944 | 1 |
| 1945 | 2 |
| 1946 | 10 |
| 1947 | 8 |
| 1948 | 17 |
| 1949 | 18 |
| 1950 | 17 |
| 1951 | 24 |
| 1952 | 9 |
| 1953 | 19 |
| 1954 | 9 |
| 1955 | 12 |
| 1956 | 12 |
| 1957 | 14 |
| 1958 | 12 |
| 1959 | 16 |
| 1960 | 6 |
| 1961 | 14 |
| 1962 | 13 |
| 1963 | 16 |
| 1964 | 41 |
| 1965 | 27 |
| 1966 | 25 |
| 1967 | 21 |
| 1968 | 31 |
| 1969 | 33 |
| 1970 | 23 |
| 1971 | 32 |
| 1972 | 42 |
| 1973 | 24 |
| 1974 | 44 |
| 1975 | 50 |
| 1976 | 35 |
| 1977 | 52 |
| 1978 | 46 |
| 1979 | 49 |
| 1980 | 58 |
| 1981 | 33 |
| 1982 | 37 |
| 1983 | 48 |
| 1984 | 64 |
| 1985 | 63 |
| 1986 | 61 |
| 1987 | 54 |
| 1988 | 71 |
| 1989 | 79 |
| 1990 | 87 |
| 1991 | 81 |
| 1992 | 70 |
| 1993 | 93 |
| 1994 | 75 |
| 1995 | 64 |
| 1996 | 55 |
| 1997 | 51 |
| 1998 | 59 |
| 1999 | 53 |
| 2000 | 73 |
| 2001 | 77 |
| 2002 | 83 |
| 2003 | 70 |
| 2004 | 75 |
| 2005 | 94 |
| 2006 | 81 |
| 2007 | 84 |
| 2008 | 109 |
| 2009 | 98 |
| 2010 | 107 |
| 2011 | 115 |
| 2012 | 123 |
| 2013 | 134 |
| 2014 | 139 |
| 2015 | 167 |
| 2016 | 186 |
| 2017 | 157 |
| 2018 | 154 |
| 2019 | 164 |
| 2020 | 173 |
| 2021 | 188 |
| 2022 | 170 |
| 2023 | 174 |
| 2024 | 169 |
| 2025 | 142 |