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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1837 | 1 |
| 1842 | 1 |
| 1860 | 3 |
| 1861 | 2 |
| 1862 | 2 |
| 1864 | 1 |
| 1866 | 1 |
| 1868 | 1 |
| 1871 | 4 |
| 1872 | 1 |
| 1878 | 1 |
| 1879 | 1 |
| 1881 | 6 |
| 1882 | 1 |
| 1884 | 3 |
| 1885 | 1 |
| 1887 | 5 |
| 1888 | 6 |
| 1889 | 2 |
| 1890 | 7 |
| 1891 | 3 |
| 1892 | 3 |
| 1894 | 5 |
| 1895 | 1 |
| 1896 | 1 |
| 1898 | 1 |
| 1901 | 1 |
| 1903 | 3 |
| 1904 | 1 |
| 1905 | 1 |
| 1906 | 1 |
| 1907 | 2 |
| 1909 | 2 |
| 1911 | 2 |
| 1912 | 1 |
| 1913 | 6 |
| 1914 | 1 |
| 1915 | 1 |
| 1917 | 1 |
| 1918 | 2 |
| 1919 | 1 |
| 1920 | 4 |
| 1921 | 1 |
| 1922 | 2 |
| 1923 | 1 |
| 1924 | 2 |
| 1925 | 3 |
| 1926 | 2 |
| 1927 | 2 |
| 1928 | 1 |
| 1930 | 1 |
| 1931 | 1 |
| 1932 | 1 |
| 1933 | 1 |
| 1934 | 1 |
| 1935 | 2 |
| 1936 | 1 |
| 1937 | 1 |
| 1938 | 3 |
| 1939 | 2 |
| 1940 | 3 |
| 1941 | 1 |
| 1942 | 1 |
| 1944 | 4 |
| 1945 | 3 |
| 1946 | 25 |
| 1947 | 41 |
| 1948 | 26 |
| 1949 | 26 |
| 1950 | 35 |
| 1951 | 46 |
| 1952 | 37 |
| 1953 | 48 |
| 1954 | 45 |
| 1955 | 46 |
| 1956 | 44 |
| 1957 | 61 |
| 1958 | 52 |
| 1959 | 57 |
| 1960 | 45 |
| 1961 | 44 |
| 1962 | 63 |
| 1963 | 59 |
| 1964 | 85 |
| 1965 | 64 |
| 1966 | 56 |
| 1967 | 82 |
| 1968 | 81 |
| 1969 | 63 |
| 1970 | 89 |
| 1971 | 88 |
| 1972 | 94 |
| 1973 | 96 |
| 1974 | 90 |
| 1975 | 79 |
| 1976 | 114 |
| 1977 | 131 |
| 1978 | 128 |
| 1979 | 128 |
| 1980 | 164 |
| 1981 | 131 |
| 1982 | 177 |
| 1983 | 192 |
| 1984 | 198 |
| 1985 | 197 |
| 1986 | 207 |
| 1987 | 250 |
| 1988 | 220 |
| 1989 | 233 |
| 1990 | 250 |
| 1991 | 298 |
| 1992 | 313 |
| 1993 | 301 |
| 1994 | 351 |
| 1995 | 304 |
| 1996 | 324 |
| 1997 | 300 |
| 1998 | 261 |
| 1999 | 277 |
| 2000 | 316 |
| 2001 | 312 |
| 2002 | 279 |
| 2003 | 301 |
| 2004 | 347 |
| 2005 | 402 |
| 2006 | 417 |
| 2007 | 422 |
| 2008 | 456 |
| 2009 | 424 |
| 2010 | 474 |
| 2011 | 523 |
| 2012 | 581 |
| 2013 | 641 |
| 2014 | 654 |
| 2015 | 677 |
| 2016 | 668 |
| 2017 | 682 |
| 2018 | 787 |
| 2019 | 843 |
| 2020 | 915 |
| 2021 | 1011 |
| 2022 | 1004 |
| 2023 | 941 |
| 2024 | 955 |
| 2025 | 541 |