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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1860 | 1 |
| 1866 | 1 |
| 1868 | 1 |
| 1869 | 2 |
| 1879 | 2 |
| 1880 | 3 |
| 1881 | 2 |
| 1882 | 1 |
| 1884 | 1 |
| 1888 | 3 |
| 1889 | 1 |
| 1891 | 1 |
| 1894 | 1 |
| 1895 | 1 |
| 1896 | 2 |
| 1897 | 3 |
| 1898 | 2 |
| 1899 | 4 |
| 1900 | 1 |
| 1901 | 2 |
| 1902 | 1 |
| 1903 | 1 |
| 1904 | 1 |
| 1905 | 1 |
| 1906 | 3 |
| 1907 | 4 |
| 1908 | 2 |
| 1910 | 1 |
| 1913 | 1 |
| 1917 | 1 |
| 1918 | 1 |
| 1920 | 1 |
| 1924 | 1 |
| 1926 | 3 |
| 1927 | 2 |
| 1928 | 1 |
| 1929 | 2 |
| 1930 | 1 |
| 1931 | 2 |
| 1932 | 1 |
| 1933 | 1 |
| 1934 | 2 |
| 1935 | 1 |
| 1936 | 2 |
| 1937 | 1 |
| 1938 | 1 |
| 1941 | 1 |
| 1946 | 1 |
| 1947 | 4 |
| 1948 | 3 |
| 1949 | 5 |
| 1950 | 2 |
| 1951 | 1 |
| 1953 | 5 |
| 1954 | 1 |
| 1955 | 4 |
| 1956 | 6 |
| 1957 | 6 |
| 1958 | 12 |
| 1959 | 9 |
| 1960 | 7 |
| 1961 | 5 |
| 1962 | 3 |
| 1963 | 8 |
| 1964 | 13 |
| 1965 | 13 |
| 1966 | 10 |
| 1967 | 11 |
| 1968 | 13 |
| 1969 | 25 |
| 1970 | 10 |
| 1971 | 21 |
| 1972 | 11 |
| 1973 | 24 |
| 1974 | 19 |
| 1975 | 16 |
| 1976 | 19 |
| 1977 | 37 |
| 1978 | 26 |
| 1979 | 18 |
| 1980 | 35 |
| 1981 | 67 |
| 1982 | 43 |
| 1983 | 57 |
| 1984 | 49 |
| 1985 | 62 |
| 1986 | 57 |
| 1987 | 82 |
| 1988 | 76 |
| 1989 | 64 |
| 1990 | 80 |
| 1991 | 78 |
| 1992 | 68 |
| 1993 | 83 |
| 1994 | 73 |
| 1995 | 83 |
| 1996 | 80 |
| 1997 | 90 |
| 1998 | 79 |
| 1999 | 96 |
| 2000 | 99 |
| 2001 | 112 |
| 2002 | 120 |
| 2003 | 121 |
| 2004 | 149 |
| 2005 | 172 |
| 2006 | 158 |
| 2007 | 169 |
| 2008 | 161 |
| 2009 | 192 |
| 2010 | 196 |
| 2011 | 229 |
| 2012 | 235 |
| 2013 | 255 |
| 2014 | 259 |
| 2015 | 266 |
| 2016 | 290 |
| 2017 | 358 |
| 2018 | 351 |
| 2019 | 343 |
| 2020 | 419 |
| 2021 | 471 |
| 2022 | 448 |
| 2023 | 471 |
| 2024 | 352 |