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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1832 | 4 |
| 1833 | 2 |
| 1841 | 1 |
| 1842 | 1 |
| 1843 | 1 |
| 1844 | 1 |
| 1846 | 1 |
| 1849 | 1 |
| 1852 | 1 |
| 1859 | 1 |
| 1866 | 4 |
| 1898 | 3 |
| 1899 | 2 |
| 1902 | 2 |
| 1903 | 2 |
| 1905 | 3 |
| 1906 | 2 |
| 1908 | 1 |
| 1910 | 2 |
| 1913 | 1 |
| 1917 | 1 |
| 1921 | 1 |
| 1922 | 2 |
| 1924 | 3 |
| 1925 | 1 |
| 1926 | 2 |
| 1927 | 1 |
| 1929 | 3 |
| 1931 | 1 |
| 1932 | 2 |
| 1933 | 1 |
| 1935 | 1 |
| 1936 | 1 |
| 1937 | 1 |
| 1939 | 2 |
| 1940 | 3 |
| 1941 | 3 |
| 1942 | 4 |
| 1943 | 6 |
| 1944 | 3 |
| 1945 | 4 |
| 1946 | 24 |
| 1947 | 16 |
| 1948 | 9 |
| 1949 | 10 |
| 1950 | 11 |
| 1951 | 12 |
| 1952 | 8 |
| 1953 | 13 |
| 1954 | 12 |
| 1955 | 10 |
| 1956 | 11 |
| 1957 | 19 |
| 1958 | 18 |
| 1959 | 18 |
| 1960 | 33 |
| 1961 | 22 |
| 1962 | 14 |
| 1963 | 23 |
| 1964 | 23 |
| 1965 | 19 |
| 1966 | 26 |
| 1967 | 30 |
| 1968 | 36 |
| 1969 | 34 |
| 1970 | 39 |
| 1971 | 57 |
| 1972 | 51 |
| 1973 | 55 |
| 1974 | 52 |
| 1975 | 36 |
| 1976 | 50 |
| 1977 | 51 |
| 1978 | 63 |
| 1979 | 65 |
| 1980 | 52 |
| 1981 | 66 |
| 1982 | 68 |
| 1983 | 77 |
| 1984 | 75 |
| 1985 | 81 |
| 1986 | 80 |
| 1987 | 98 |
| 1988 | 83 |
| 1989 | 86 |
| 1990 | 123 |
| 1991 | 92 |
| 1992 | 106 |
| 1993 | 119 |
| 1994 | 135 |
| 1995 | 126 |
| 1996 | 137 |
| 1997 | 123 |
| 1998 | 123 |
| 1999 | 150 |
| 2000 | 150 |
| 2001 | 171 |
| 2002 | 163 |
| 2003 | 167 |
| 2004 | 191 |
| 2005 | 211 |
| 2006 | 263 |
| 2007 | 258 |
| 2008 | 250 |
| 2009 | 279 |
| 2010 | 277 |
| 2011 | 314 |
| 2012 | 372 |
| 2013 | 348 |
| 2014 | 346 |
| 2015 | 362 |
| 2016 | 433 |
| 2017 | 460 |
| 2018 | 458 |
| 2019 | 409 |
| 2020 | 391 |
| 2021 | 440 |
| 2022 | 405 |
| 2023 | 376 |
| 2024 | 318 |