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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1827 | 2 |
| 1844 | 2 |
| 1850 | 1 |
| 1855 | 4 |
| 1857 | 3 |
| 1859 | 1 |
| 1872 | 1 |
| 1874 | 1 |
| 1875 | 1 |
| 1876 | 2 |
| 1879 | 1 |
| 1882 | 2 |
| 1883 | 2 |
| 1886 | 6 |
| 1890 | 3 |
| 1891 | 1 |
| 1894 | 16 |
| 1895 | 5 |
| 1896 | 1 |
| 1898 | 1 |
| 1899 | 1 |
| 1901 | 1 |
| 1906 | 1 |
| 1912 | 2 |
| 1917 | 2 |
| 1920 | 2 |
| 1922 | 1 |
| 1923 | 1 |
| 1926 | 4 |
| 1930 | 6 |
| 1932 | 3 |
| 1935 | 1 |
| 1937 | 1 |
| 1938 | 1 |
| 1941 | 1 |
| 1945 | 1 |
| 1946 | 6 |
| 1947 | 2 |
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 5 |
| 1951 | 3 |
| 1952 | 4 |
| 1953 | 4 |
| 1954 | 3 |
| 1955 | 4 |
| 1956 | 1 |
| 1957 | 6 |
| 1958 | 2 |
| 1959 | 4 |
| 1960 | 3 |
| 1961 | 4 |
| 1962 | 5 |
| 1963 | 8 |
| 1964 | 24 |
| 1965 | 11 |
| 1966 | 12 |
| 1967 | 35 |
| 1968 | 71 |
| 1969 | 65 |
| 1970 | 68 |
| 1971 | 70 |
| 1972 | 62 |
| 1973 | 54 |
| 1974 | 88 |
| 1975 | 215 |
| 1976 | 160 |
| 1977 | 166 |
| 1978 | 227 |
| 1979 | 211 |
| 1980 | 214 |
| 1981 | 195 |
| 1982 | 313 |
| 1983 | 272 |
| 1984 | 293 |
| 1985 | 363 |
| 1986 | 424 |
| 1987 | 566 |
| 1988 | 915 |
| 1989 | 1022 |
| 1990 | 1408 |
| 1991 | 1655 |
| 1992 | 1495 |
| 1993 | 1478 |
| 1994 | 1461 |
| 1995 | 1860 |
| 1996 | 1802 |
| 1997 | 1980 |
| 1998 | 1845 |
| 1999 | 1913 |
| 2000 | 2430 |
| 2001 | 2949 |
| 2002 | 3103 |
| 2003 | 2939 |
| 2004 | 3155 |
| 2005 | 3386 |
| 2006 | 3503 |
| 2007 | 4172 |
| 2008 | 4090 |
| 2009 | 4309 |
| 2010 | 4824 |
| 2011 | 4820 |
| 2012 | 5085 |
| 2013 | 5657 |
| 2014 | 7067 |
| 2015 | 8564 |
| 2016 | 10176 |
| 2017 | 9805 |
| 2018 | 11096 |
| 2019 | 12510 |
| 2020 | 12395 |
| 2021 | 13763 |
| 2022 | 10798 |
| 2023 | 10741 |
| 2024 | 4635 |