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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1846 | 2 |
| 1848 | 1 |
| 1851 | 1 |
| 1852 | 1 |
| 1855 | 1 |
| 1863 | 1 |
| 1875 | 1 |
| 1876 | 1 |
| 1878 | 2 |
| 1879 | 1 |
| 1880 | 1 |
| 1881 | 1 |
| 1885 | 1 |
| 1886 | 2 |
| 1887 | 3 |
| 1888 | 4 |
| 1889 | 3 |
| 1890 | 2 |
| 1891 | 1 |
| 1893 | 3 |
| 1894 | 2 |
| 1895 | 1 |
| 1896 | 3 |
| 1897 | 8 |
| 1899 | 3 |
| 1906 | 1 |
| 1907 | 1 |
| 1908 | 2 |
| 1910 | 2 |
| 1911 | 3 |
| 1912 | 1 |
| 1914 | 1 |
| 1916 | 1 |
| 1917 | 1 |
| 1918 | 1 |
| 1920 | 1 |
| 1921 | 3 |
| 1922 | 1 |
| 1923 | 2 |
| 1925 | 1 |
| 1926 | 22 |
| 1927 | 16 |
| 1928 | 17 |
| 1929 | 17 |
| 1930 | 17 |
| 1931 | 16 |
| 1932 | 17 |
| 1933 | 35 |
| 1934 | 15 |
| 1935 | 19 |
| 1936 | 9 |
| 1938 | 4 |
| 1939 | 21 |
| 1940 | 9 |
| 1941 | 7 |
| 1942 | 8 |
| 1943 | 1 |
| 1944 | 5 |
| 1945 | 2 |
| 1946 | 3 |
| 1947 | 6 |
| 1948 | 4 |
| 1949 | 3 |
| 1950 | 8 |
| 1951 | 27 |
| 1952 | 26 |
| 1953 | 16 |
| 1954 | 14 |
| 1955 | 11 |
| 1956 | 4 |
| 1957 | 4 |
| 1958 | 4 |
| 1959 | 6 |
| 1960 | 4 |
| 1961 | 6 |
| 1962 | 8 |
| 1963 | 4 |
| 1964 | 7 |
| 1965 | 8 |
| 1966 | 13 |
| 1967 | 12 |
| 1968 | 25 |
| 1969 | 21 |
| 1970 | 37 |
| 1971 | 47 |
| 1972 | 20 |
| 1973 | 34 |
| 1974 | 22 |
| 1975 | 79 |
| 1976 | 111 |
| 1977 | 137 |
| 1978 | 154 |
| 1979 | 166 |
| 1980 | 153 |
| 1981 | 206 |
| 1982 | 215 |
| 1983 | 268 |
| 1984 | 251 |
| 1985 | 239 |
| 1986 | 267 |
| 1987 | 242 |
| 1988 | 302 |
| 1989 | 398 |
| 1990 | 420 |
| 1991 | 440 |
| 1992 | 571 |
| 1993 | 646 |
| 1994 | 673 |
| 1995 | 744 |
| 1996 | 805 |
| 1997 | 931 |
| 1998 | 1001 |
| 1999 | 1109 |
| 2000 | 1304 |
| 2001 | 1486 |
| 2002 | 1578 |
| 2003 | 1764 |
| 2004 | 2036 |
| 2005 | 2397 |
| 2006 | 2692 |
| 2007 | 2805 |
| 2008 | 3021 |
| 2009 | 3093 |
| 2010 | 3449 |
| 2011 | 3985 |
| 2012 | 4414 |
| 2013 | 4806 |
| 2014 | 6001 |
| 2015 | 6755 |
| 2016 | 7108 |
| 2017 | 7464 |
| 2018 | 8475 |
| 2019 | 9149 |
| 2020 | 11023 |
| 2021 | 12256 |
| 2022 | 12239 |
| 2023 | 12260 |
| 2024 | 12842 |
| 2025 | 14026 |
| 2026 | 9276 |
| 2027 | 2 |