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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1853 | 2 |
| 1854 | 1 |
| 1859 | 1 |
| 1864 | 3 |
| 1865 | 1 |
| 1887 | 2 |
| 1895 | 2 |
| 1897 | 1 |
| 1898 | 1 |
| 1899 | 2 |
| 1900 | 2 |
| 1901 | 1 |
| 1902 | 2 |
| 1903 | 2 |
| 1904 | 1 |
| 1905 | 2 |
| 1906 | 2 |
| 1907 | 5 |
| 1908 | 1 |
| 1909 | 1 |
| 1915 | 1 |
| 1916 | 3 |
| 1917 | 2 |
| 1918 | 2 |
| 1919 | 5 |
| 1921 | 1 |
| 1929 | 1 |
| 1941 | 1 |
| 1943 | 1 |
| 1946 | 6 |
| 1947 | 5 |
| 1948 | 5 |
| 1949 | 3 |
| 1950 | 6 |
| 1951 | 9 |
| 1952 | 19 |
| 1953 | 24 |
| 1954 | 10 |
| 1955 | 6 |
| 1956 | 11 |
| 1957 | 5 |
| 1958 | 7 |
| 1959 | 12 |
| 1960 | 6 |
| 1961 | 8 |
| 1962 | 7 |
| 1963 | 12 |
| 1964 | 12 |
| 1965 | 15 |
| 1966 | 9 |
| 1967 | 16 |
| 1968 | 15 |
| 1969 | 11 |
| 1970 | 16 |
| 1971 | 18 |
| 1972 | 18 |
| 1973 | 10 |
| 1974 | 25 |
| 1975 | 29 |
| 1976 | 29 |
| 1977 | 37 |
| 1978 | 63 |
| 1979 | 55 |
| 1980 | 55 |
| 1981 | 49 |
| 1982 | 49 |
| 1983 | 53 |
| 1984 | 46 |
| 1985 | 42 |
| 1986 | 48 |
| 1987 | 108 |
| 1988 | 162 |
| 1989 | 200 |
| 1990 | 234 |
| 1991 | 296 |
| 1992 | 272 |
| 1993 | 326 |
| 1994 | 354 |
| 1995 | 366 |
| 1996 | 312 |
| 1997 | 367 |
| 1998 | 381 |
| 1999 | 410 |
| 2000 | 859 |
| 2001 | 493 |
| 2002 | 543 |
| 2003 | 686 |
| 2004 | 683 |
| 2005 | 745 |
| 2006 | 815 |
| 2007 | 877 |
| 2008 | 915 |
| 2009 | 911 |
| 2010 | 981 |
| 2011 | 1083 |
| 2012 | 1216 |
| 2013 | 1807 |
| 2014 | 3309 |
| 2015 | 4165 |
| 2016 | 4855 |
| 2017 | 5458 |
| 2018 | 6098 |
| 2019 | 6333 |
| 2020 | 7698 |
| 2021 | 8804 |
| 2022 | 8269 |
| 2023 | 7639 |
| 2024 | 3372 |