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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1825 | 1 |
| 1858 | 1 |
| 1867 | 2 |
| 1880 | 3 |
| 1881 | 1 |
| 1886 | 3 |
| 1888 | 1 |
| 1889 | 3 |
| 1890 | 1 |
| 1891 | 2 |
| 1893 | 1 |
| 1894 | 3 |
| 1895 | 3 |
| 1896 | 1 |
| 1897 | 2 |
| 1898 | 1 |
| 1899 | 1 |
| 1902 | 1 |
| 1903 | 1 |
| 1905 | 1 |
| 1906 | 3 |
| 1907 | 4 |
| 1908 | 3 |
| 1909 | 4 |
| 1910 | 3 |
| 1911 | 4 |
| 1912 | 6 |
| 1913 | 6 |
| 1914 | 3 |
| 1915 | 3 |
| 1916 | 5 |
| 1917 | 9 |
| 1918 | 8 |
| 1919 | 1 |
| 1920 | 4 |
| 1921 | 4 |
| 1922 | 5 |
| 1923 | 3 |
| 1924 | 2 |
| 1925 | 8 |
| 1926 | 6 |
| 1927 | 6 |
| 1928 | 12 |
| 1929 | 4 |
| 1930 | 4 |
| 1931 | 3 |
| 1932 | 8 |
| 1933 | 11 |
| 1934 | 4 |
| 1935 | 7 |
| 1936 | 5 |
| 1937 | 3 |
| 1938 | 1 |
| 1939 | 6 |
| 1940 | 5 |
| 1941 | 7 |
| 1942 | 1 |
| 1943 | 1 |
| 1944 | 2 |
| 1945 | 3 |
| 1946 | 11 |
| 1947 | 4 |
| 1948 | 8 |
| 1949 | 2 |
| 1950 | 9 |
| 1951 | 6 |
| 1952 | 10 |
| 1953 | 16 |
| 1954 | 4 |
| 1955 | 12 |
| 1956 | 13 |
| 1957 | 16 |
| 1958 | 11 |
| 1959 | 10 |
| 1960 | 23 |
| 1961 | 15 |
| 1962 | 30 |
| 1963 | 34 |
| 1964 | 37 |
| 1965 | 41 |
| 1966 | 65 |
| 1967 | 49 |
| 1968 | 85 |
| 1969 | 95 |
| 1970 | 109 |
| 1971 | 124 |
| 1972 | 118 |
| 1973 | 153 |
| 1974 | 248 |
| 1975 | 2283 |
| 1976 | 2465 |
| 1977 | 2239 |
| 1978 | 2236 |
| 1979 | 2536 |
| 1980 | 3179 |
| 1981 | 4022 |
| 1982 | 3787 |
| 1983 | 4236 |
| 1984 | 4482 |
| 1985 | 4629 |
| 1986 | 4842 |
| 1987 | 5096 |
| 1988 | 5653 |
| 1989 | 7116 |
| 1990 | 7241 |
| 1991 | 7652 |
| 1992 | 7847 |
| 1993 | 8253 |
| 1994 | 8656 |
| 1995 | 9049 |
| 1996 | 9769 |
| 1997 | 10140 |
| 1998 | 10789 |
| 1999 | 11452 |
| 2000 | 12396 |
| 2001 | 13520 |
| 2002 | 14218 |
| 2003 | 15333 |
| 2004 | 17085 |
| 2005 | 19341 |
| 2006 | 20626 |
| 2007 | 22058 |
| 2008 | 24045 |
| 2009 | 25594 |
| 2010 | 27966 |
| 2011 | 29910 |
| 2012 | 32652 |
| 2013 | 34404 |
| 2014 | 36207 |
| 2015 | 36923 |
| 2016 | 29765 |
| 2017 | 27224 |
| 2018 | 34203 |
| 2019 | 35695 |
| 2020 | 41784 |
| 2021 | 47811 |
| 2022 | 48790 |
| 2023 | 43600 |
| 2024 | 12920 |