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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1842 | 1 |
| 1845 | 2 |
| 1846 | 1 |
| 1855 | 1 |
| 1866 | 1 |
| 1869 | 1 |
| 1887 | 1 |
| 1888 | 1 |
| 1889 | 1 |
| 1890 | 1 |
| 1892 | 1 |
| 1893 | 3 |
| 1894 | 5 |
| 1895 | 4 |
| 1896 | 2 |
| 1897 | 2 |
| 1899 | 1 |
| 1900 | 4 |
| 1901 | 2 |
| 1915 | 1 |
| 1917 | 2 |
| 1918 | 2 |
| 1919 | 1 |
| 1921 | 1 |
| 1923 | 1 |
| 1924 | 2 |
| 1928 | 3 |
| 1929 | 3 |
| 1936 | 1 |
| 1938 | 1 |
| 1945 | 1 |
| 1946 | 5 |
| 1947 | 5 |
| 1948 | 4 |
| 1949 | 7 |
| 1950 | 8 |
| 1951 | 11 |
| 1952 | 6 |
| 1953 | 7 |
| 1954 | 7 |
| 1955 | 8 |
| 1956 | 5 |
| 1957 | 9 |
| 1958 | 5 |
| 1959 | 6 |
| 1960 | 12 |
| 1961 | 11 |
| 1962 | 11 |
| 1963 | 9 |
| 1964 | 19 |
| 1965 | 31 |
| 1966 | 27 |
| 1967 | 32 |
| 1968 | 26 |
| 1969 | 38 |
| 1970 | 49 |
| 1971 | 50 |
| 1972 | 49 |
| 1973 | 46 |
| 1974 | 44 |
| 1975 | 44 |
| 1976 | 50 |
| 1977 | 37 |
| 1978 | 54 |
| 1979 | 51 |
| 1980 | 33 |
| 1981 | 51 |
| 1982 | 51 |
| 1983 | 68 |
| 1984 | 59 |
| 1985 | 65 |
| 1986 | 55 |
| 1987 | 61 |
| 1988 | 72 |
| 1989 | 66 |
| 1990 | 70 |
| 1991 | 75 |
| 1992 | 77 |
| 1993 | 77 |
| 1994 | 70 |
| 1995 | 78 |
| 1996 | 69 |
| 1997 | 71 |
| 1998 | 79 |
| 1999 | 70 |
| 2000 | 81 |
| 2001 | 81 |
| 2002 | 101 |
| 2003 | 99 |
| 2004 | 99 |
| 2005 | 100 |
| 2006 | 118 |
| 2007 | 109 |
| 2008 | 102 |
| 2009 | 121 |
| 2010 | 135 |
| 2011 | 155 |
| 2012 | 157 |
| 2013 | 154 |
| 2014 | 170 |
| 2015 | 141 |
| 2016 | 160 |
| 2017 | 177 |
| 2018 | 171 |
| 2019 | 178 |
| 2020 | 215 |
| 2021 | 229 |
| 2022 | 237 |
| 2023 | 213 |
| 2024 | 187 |
| 2025 | 2 |