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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1850 | 2 |
| 1851 | 2 |
| 1852 | 1 |
| 1873 | 1 |
| 1881 | 1 |
| 1883 | 1 |
| 1886 | 1 |
| 1887 | 1 |
| 1888 | 1 |
| 1889 | 2 |
| 1890 | 3 |
| 1893 | 1 |
| 1897 | 1 |
| 1900 | 2 |
| 1903 | 3 |
| 1904 | 3 |
| 1905 | 1 |
| 1907 | 1 |
| 1908 | 1 |
| 1909 | 1 |
| 1910 | 1 |
| 1911 | 1 |
| 1914 | 1 |
| 1915 | 1 |
| 1917 | 1 |
| 1920 | 1 |
| 1925 | 2 |
| 1926 | 1 |
| 1927 | 3 |
| 1929 | 1 |
| 1931 | 4 |
| 1932 | 2 |
| 1933 | 2 |
| 1934 | 2 |
| 1936 | 1 |
| 1937 | 2 |
| 1938 | 1 |
| 1939 | 1 |
| 1940 | 2 |
| 1941 | 1 |
| 1942 | 3 |
| 1943 | 2 |
| 1944 | 2 |
| 1945 | 2 |
| 1946 | 11 |
| 1947 | 11 |
| 1948 | 16 |
| 1949 | 9 |
| 1950 | 25 |
| 1951 | 11 |
| 1952 | 25 |
| 1953 | 18 |
| 1954 | 20 |
| 1955 | 18 |
| 1956 | 25 |
| 1957 | 18 |
| 1958 | 18 |
| 1959 | 19 |
| 1960 | 28 |
| 1961 | 18 |
| 1962 | 24 |
| 1963 | 22 |
| 1964 | 27 |
| 1965 | 14 |
| 1966 | 18 |
| 1967 | 19 |
| 1968 | 19 |
| 1969 | 33 |
| 1970 | 28 |
| 1971 | 43 |
| 1972 | 42 |
| 1973 | 40 |
| 1974 | 41 |
| 1975 | 40 |
| 1976 | 48 |
| 1977 | 58 |
| 1978 | 58 |
| 1979 | 48 |
| 1980 | 59 |
| 1981 | 57 |
| 1982 | 55 |
| 1983 | 60 |
| 1984 | 76 |
| 1985 | 87 |
| 1986 | 98 |
| 1987 | 135 |
| 1988 | 180 |
| 1989 | 194 |
| 1990 | 145 |
| 1991 | 119 |
| 1992 | 145 |
| 1993 | 176 |
| 1994 | 168 |
| 1995 | 176 |
| 1996 | 208 |
| 1997 | 248 |
| 1998 | 224 |
| 1999 | 257 |
| 2000 | 302 |
| 2001 | 311 |
| 2002 | 342 |
| 2003 | 373 |
| 2004 | 397 |
| 2005 | 406 |
| 2006 | 495 |
| 2007 | 544 |
| 2008 | 531 |
| 2009 | 588 |
| 2010 | 567 |
| 2011 | 634 |
| 2012 | 653 |
| 2013 | 756 |
| 2014 | 931 |
| 2015 | 1084 |
| 2016 | 1138 |
| 2017 | 1175 |
| 2018 | 1303 |
| 2019 | 1246 |
| 2020 | 1346 |
| 2021 | 1365 |
| 2022 | 1248 |
| 2023 | 1265 |
| 2024 | 1232 |
| 2025 | 1044 |