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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1858 | 1 |
| 1861 | 1 |
| 1887 | 1 |
| 1894 | 1 |
| 1897 | 3 |
| 1899 | 1 |
| 1900 | 1 |
| 1901 | 1 |
| 1903 | 1 |
| 1905 | 2 |
| 1906 | 2 |
| 1907 | 3 |
| 1908 | 1 |
| 1911 | 2 |
| 1912 | 2 |
| 1913 | 4 |
| 1914 | 5 |
| 1915 | 2 |
| 1916 | 2 |
| 1917 | 5 |
| 1918 | 3 |
| 1919 | 7 |
| 1920 | 4 |
| 1921 | 4 |
| 1922 | 5 |
| 1923 | 7 |
| 1924 | 4 |
| 1925 | 5 |
| 1926 | 6 |
| 1927 | 6 |
| 1928 | 9 |
| 1929 | 9 |
| 1930 | 8 |
| 1931 | 8 |
| 1932 | 5 |
| 1933 | 7 |
| 1934 | 5 |
| 1935 | 12 |
| 1936 | 4 |
| 1937 | 3 |
| 1938 | 8 |
| 1939 | 9 |
| 1940 | 4 |
| 1941 | 9 |
| 1942 | 7 |
| 1943 | 7 |
| 1944 | 6 |
| 1945 | 6 |
| 1946 | 23 |
| 1947 | 15 |
| 1948 | 15 |
| 1949 | 25 |
| 1950 | 41 |
| 1951 | 41 |
| 1952 | 93 |
| 1953 | 75 |
| 1954 | 54 |
| 1955 | 36 |
| 1956 | 51 |
| 1957 | 65 |
| 1958 | 61 |
| 1959 | 73 |
| 1960 | 73 |
| 1961 | 76 |
| 1962 | 84 |
| 1963 | 137 |
| 1964 | 141 |
| 1965 | 181 |
| 1966 | 241 |
| 1967 | 274 |
| 1968 | 331 |
| 1969 | 363 |
| 1970 | 396 |
| 1971 | 453 |
| 1972 | 416 |
| 1973 | 463 |
| 1974 | 522 |
| 1975 | 2078 |
| 1976 | 2241 |
| 1977 | 2015 |
| 1978 | 1997 |
| 1979 | 2229 |
| 1980 | 2176 |
| 1981 | 2094 |
| 1982 | 2108 |
| 1983 | 2605 |
| 1984 | 2718 |
| 1985 | 2859 |
| 1986 | 2916 |
| 1987 | 2933 |
| 1988 | 3150 |
| 1989 | 3905 |
| 1990 | 3935 |
| 1991 | 3833 |
| 1992 | 3796 |
| 1993 | 3882 |
| 1994 | 3859 |
| 1995 | 3882 |
| 1996 | 4011 |
| 1997 | 4136 |
| 1998 | 4357 |
| 1999 | 4151 |
| 2000 | 4250 |
| 2001 | 4405 |
| 2002 | 4433 |
| 2003 | 4701 |
| 2004 | 4790 |
| 2005 | 5092 |
| 2006 | 5418 |
| 2007 | 5391 |
| 2008 | 5498 |
| 2009 | 5526 |
| 2010 | 5739 |
| 2011 | 5891 |
| 2012 | 5943 |
| 2013 | 6223 |
| 2014 | 6143 |
| 2015 | 6264 |
| 2016 | 6114 |
| 2017 | 6223 |
| 2018 | 6284 |
| 2019 | 5981 |
| 2020 | 6201 |
| 2021 | 6236 |
| 2022 | 5770 |
| 2023 | 5152 |
| 2024 | 1936 |