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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1850 | 1 |
| 1851 | 1 |
| 1852 | 1 |
| 1853 | 1 |
| 1858 | 1 |
| 1859 | 2 |
| 1860 | 2 |
| 1863 | 2 |
| 1865 | 1 |
| 1867 | 1 |
| 1869 | 1 |
| 1871 | 1 |
| 1876 | 2 |
| 1877 | 1 |
| 1878 | 1 |
| 1880 | 1 |
| 1881 | 1 |
| 1883 | 2 |
| 1885 | 1 |
| 1886 | 2 |
| 1887 | 5 |
| 1888 | 2 |
| 1889 | 3 |
| 1890 | 5 |
| 1891 | 6 |
| 1892 | 8 |
| 1893 | 8 |
| 1894 | 8 |
| 1895 | 10 |
| 1896 | 12 |
| 1897 | 16 |
| 1898 | 8 |
| 1899 | 8 |
| 1900 | 10 |
| 1901 | 5 |
| 1902 | 9 |
| 1903 | 3 |
| 1904 | 11 |
| 1905 | 8 |
| 1906 | 12 |
| 1907 | 8 |
| 1908 | 5 |
| 1909 | 9 |
| 1910 | 15 |
| 1911 | 4 |
| 1912 | 2 |
| 1913 | 7 |
| 1914 | 12 |
| 1915 | 5 |
| 1916 | 3 |
| 1917 | 2 |
| 1918 | 7 |
| 1919 | 5 |
| 1920 | 3 |
| 1921 | 4 |
| 1922 | 8 |
| 1923 | 4 |
| 1924 | 6 |
| 1925 | 3 |
| 1926 | 7 |
| 1927 | 14 |
| 1928 | 3 |
| 1929 | 8 |
| 1930 | 11 |
| 1931 | 10 |
| 1932 | 9 |
| 1933 | 14 |
| 1934 | 14 |
| 1935 | 6 |
| 1936 | 14 |
| 1937 | 9 |
| 1938 | 18 |
| 1939 | 13 |
| 1940 | 7 |
| 1941 | 5 |
| 1942 | 5 |
| 1943 | 3 |
| 1944 | 4 |
| 1945 | 4 |
| 1946 | 11 |
| 1947 | 11 |
| 1948 | 4 |
| 1949 | 5 |
| 1950 | 9 |
| 1951 | 9 |
| 1952 | 11 |
| 1953 | 9 |
| 1954 | 14 |
| 1955 | 6 |
| 1956 | 10 |
| 1957 | 6 |
| 1958 | 7 |
| 1959 | 4 |
| 1960 | 10 |
| 1961 | 11 |
| 1962 | 26 |
| 1963 | 11 |
| 1964 | 9 |
| 1965 | 16 |
| 1966 | 21 |
| 1967 | 29 |
| 1968 | 32 |
| 1969 | 36 |
| 1970 | 36 |
| 1971 | 33 |
| 1972 | 45 |
| 1973 | 41 |
| 1974 | 33 |
| 1975 | 45 |
| 1976 | 88 |
| 1977 | 144 |
| 1978 | 112 |
| 1979 | 137 |
| 1980 | 101 |
| 1981 | 100 |
| 1982 | 85 |
| 1983 | 111 |
| 1984 | 99 |
| 1985 | 123 |
| 1986 | 126 |
| 1987 | 760 |
| 1988 | 1606 |
| 1989 | 1679 |
| 1990 | 1844 |
| 1991 | 1836 |
| 1992 | 1991 |
| 1993 | 2033 |
| 1994 | 2137 |
| 1995 | 2181 |
| 1996 | 2267 |
| 1997 | 2320 |
| 1998 | 2559 |
| 1999 | 2589 |
| 2000 | 2783 |
| 2001 | 3002 |
| 2002 | 2958 |
| 2003 | 3228 |
| 2004 | 3549 |
| 2005 | 3626 |
| 2006 | 4092 |
| 2007 | 4425 |
| 2008 | 4780 |
| 2009 | 5015 |
| 2010 | 5259 |
| 2011 | 5713 |
| 2012 | 5980 |
| 2013 | 6923 |
| 2014 | 9177 |
| 2015 | 10760 |
| 2016 | 11621 |
| 2017 | 12144 |
| 2018 | 12762 |
| 2019 | 13745 |
| 2020 | 14738 |
| 2021 | 15809 |
| 2022 | 15316 |
| 2023 | 14321 |
| 2024 | 14570 |
| 2025 | 15282 |
| 2026 | 12671 |
| 2027 | 5 |