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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1830 | 1 |
| 1855 | 2 |
| 1861 | 2 |
| 1866 | 1 |
| 1867 | 1 |
| 1873 | 1 |
| 1874 | 4 |
| 1876 | 1 |
| 1877 | 1 |
| 1882 | 1 |
| 1884 | 1 |
| 1887 | 1 |
| 1889 | 1 |
| 1891 | 3 |
| 1892 | 2 |
| 1894 | 1 |
| 1896 | 3 |
| 1897 | 5 |
| 1903 | 1 |
| 1905 | 1 |
| 1911 | 1 |
| 1912 | 2 |
| 1913 | 1 |
| 1914 | 1 |
| 1915 | 1 |
| 1916 | 1 |
| 1917 | 2 |
| 1924 | 1 |
| 1925 | 3 |
| 1927 | 1 |
| 1928 | 1 |
| 1929 | 1 |
| 1930 | 3 |
| 1931 | 5 |
| 1932 | 3 |
| 1933 | 2 |
| 1934 | 1 |
| 1935 | 1 |
| 1936 | 5 |
| 1937 | 3 |
| 1939 | 1 |
| 1940 | 2 |
| 1941 | 2 |
| 1942 | 1 |
| 1943 | 1 |
| 1945 | 12 |
| 1946 | 21 |
| 1947 | 39 |
| 1948 | 20 |
| 1949 | 18 |
| 1950 | 27 |
| 1951 | 29 |
| 1952 | 28 |
| 1953 | 28 |
| 1954 | 28 |
| 1955 | 34 |
| 1956 | 38 |
| 1957 | 40 |
| 1958 | 35 |
| 1959 | 52 |
| 1960 | 48 |
| 1961 | 37 |
| 1962 | 33 |
| 1963 | 46 |
| 1964 | 54 |
| 1965 | 52 |
| 1966 | 39 |
| 1967 | 59 |
| 1968 | 49 |
| 1969 | 61 |
| 1970 | 51 |
| 1971 | 52 |
| 1972 | 83 |
| 1973 | 69 |
| 1974 | 71 |
| 1975 | 59 |
| 1976 | 81 |
| 1977 | 81 |
| 1978 | 82 |
| 1979 | 88 |
| 1980 | 86 |
| 1981 | 97 |
| 1982 | 76 |
| 1983 | 94 |
| 1984 | 89 |
| 1985 | 99 |
| 1986 | 84 |
| 1987 | 108 |
| 1988 | 127 |
| 1989 | 121 |
| 1990 | 104 |
| 1991 | 135 |
| 1992 | 134 |
| 1993 | 163 |
| 1994 | 163 |
| 1995 | 178 |
| 1996 | 207 |
| 1997 | 202 |
| 1998 | 214 |
| 1999 | 252 |
| 2000 | 227 |
| 2001 | 263 |
| 2002 | 258 |
| 2003 | 300 |
| 2004 | 315 |
| 2005 | 357 |
| 2006 | 358 |
| 2007 | 353 |
| 2008 | 387 |
| 2009 | 411 |
| 2010 | 440 |
| 2011 | 465 |
| 2012 | 490 |
| 2013 | 543 |
| 2014 | 566 |
| 2015 | 534 |
| 2016 | 609 |
| 2017 | 604 |
| 2018 | 661 |
| 2019 | 702 |
| 2020 | 750 |
| 2021 | 857 |
| 2022 | 747 |
| 2023 | 684 |
| 2024 | 282 |