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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1843 | 1 |
| 1857 | 1 |
| 1863 | 3 |
| 1864 | 1 |
| 1866 | 2 |
| 1870 | 1 |
| 1874 | 1 |
| 1878 | 2 |
| 1881 | 1 |
| 1882 | 1 |
| 1883 | 3 |
| 1886 | 2 |
| 1889 | 1 |
| 1891 | 1 |
| 1892 | 1 |
| 1893 | 1 |
| 1894 | 2 |
| 1896 | 1 |
| 1897 | 1 |
| 1898 | 1 |
| 1899 | 1 |
| 1900 | 1 |
| 1902 | 2 |
| 1903 | 1 |
| 1904 | 1 |
| 1905 | 2 |
| 1906 | 3 |
| 1907 | 3 |
| 1908 | 1 |
| 1909 | 2 |
| 1910 | 3 |
| 1911 | 6 |
| 1912 | 5 |
| 1913 | 7 |
| 1914 | 5 |
| 1915 | 2 |
| 1916 | 9 |
| 1917 | 22 |
| 1918 | 5 |
| 1919 | 3 |
| 1920 | 5 |
| 1921 | 8 |
| 1922 | 7 |
| 1923 | 11 |
| 1924 | 6 |
| 1925 | 11 |
| 1926 | 9 |
| 1927 | 8 |
| 1928 | 8 |
| 1929 | 11 |
| 1930 | 13 |
| 1931 | 3 |
| 1932 | 10 |
| 1933 | 8 |
| 1934 | 7 |
| 1935 | 12 |
| 1936 | 15 |
| 1937 | 4 |
| 1938 | 5 |
| 1939 | 7 |
| 1940 | 11 |
| 1941 | 12 |
| 1942 | 11 |
| 1943 | 5 |
| 1944 | 10 |
| 1945 | 9 |
| 1946 | 27 |
| 1947 | 20 |
| 1948 | 23 |
| 1949 | 36 |
| 1950 | 29 |
| 1951 | 47 |
| 1952 | 52 |
| 1953 | 50 |
| 1954 | 46 |
| 1955 | 45 |
| 1956 | 35 |
| 1957 | 47 |
| 1958 | 43 |
| 1959 | 46 |
| 1960 | 40 |
| 1961 | 67 |
| 1962 | 84 |
| 1963 | 125 |
| 1964 | 187 |
| 1965 | 160 |
| 1966 | 228 |
| 1967 | 458 |
| 1968 | 1153 |
| 1969 | 1259 |
| 1970 | 1120 |
| 1971 | 1407 |
| 1972 | 1269 |
| 1973 | 1403 |
| 1974 | 1605 |
| 1975 | 1894 |
| 1976 | 1873 |
| 1977 | 2273 |
| 1978 | 2798 |
| 1979 | 2910 |
| 1980 | 2999 |
| 1981 | 2748 |
| 1982 | 2984 |
| 1983 | 3365 |
| 1984 | 3758 |
| 1985 | 3794 |
| 1986 | 3983 |
| 1987 | 5807 |
| 1988 | 9060 |
| 1989 | 10319 |
| 1990 | 12872 |
| 1991 | 13599 |
| 1992 | 15310 |
| 1993 | 17433 |
| 1994 | 19541 |
| 1995 | 20920 |
| 1996 | 23668 |
| 1997 | 27381 |
| 1998 | 30607 |
| 1999 | 34198 |
| 2000 | 37744 |
| 2001 | 40798 |
| 2002 | 45406 |
| 2003 | 52441 |
| 2004 | 58746 |
| 2005 | 67526 |
| 2006 | 73800 |
| 2007 | 80553 |
| 2008 | 88873 |
| 2009 | 96507 |
| 2010 | 108127 |
| 2011 | 120369 |
| 2012 | 131696 |
| 2013 | 147731 |
| 2014 | 178024 |
| 2015 | 203774 |
| 2016 | 218740 |
| 2017 | 231055 |
| 2018 | 250264 |
| 2019 | 267399 |
| 2020 | 306211 |
| 2021 | 334790 |
| 2022 | 339151 |
| 2023 | 328323 |
| 2024 | 387675 |
| 2025 | 445657 |
| 2026 | 211994 |
| 2027 | 17 |
| 2028 | 1 |