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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1831 | 1 |
| 1848 | 1 |
| 1850 | 1 |
| 1858 | 2 |
| 1871 | 1 |
| 1873 | 1 |
| 1874 | 1 |
| 1875 | 3 |
| 1882 | 3 |
| 1887 | 1 |
| 1891 | 1 |
| 1892 | 1 |
| 1895 | 1 |
| 1899 | 1 |
| 1900 | 1 |
| 1907 | 1 |
| 1908 | 1 |
| 1909 | 1 |
| 1911 | 1 |
| 1913 | 1 |
| 1916 | 1 |
| 1917 | 2 |
| 1918 | 4 |
| 1919 | 1 |
| 1920 | 1 |
| 1921 | 2 |
| 1922 | 3 |
| 1923 | 1 |
| 1924 | 7 |
| 1925 | 1 |
| 1926 | 11 |
| 1927 | 6 |
| 1928 | 12 |
| 1929 | 9 |
| 1930 | 11 |
| 1931 | 7 |
| 1932 | 18 |
| 1933 | 15 |
| 1934 | 8 |
| 1935 | 8 |
| 1936 | 6 |
| 1937 | 4 |
| 1938 | 1 |
| 1940 | 1 |
| 1941 | 2 |
| 1942 | 3 |
| 1943 | 1 |
| 1944 | 1 |
| 1945 | 3 |
| 1946 | 1 |
| 1947 | 1 |
| 1948 | 1 |
| 1949 | 2 |
| 1951 | 19 |
| 1952 | 24 |
| 1953 | 8 |
| 1954 | 5 |
| 1955 | 4 |
| 1956 | 7 |
| 1957 | 16 |
| 1958 | 20 |
| 1959 | 9 |
| 1960 | 10 |
| 1961 | 21 |
| 1962 | 8 |
| 1963 | 35 |
| 1964 | 53 |
| 1965 | 46 |
| 1966 | 19 |
| 1967 | 29 |
| 1968 | 22 |
| 1969 | 23 |
| 1970 | 33 |
| 1971 | 34 |
| 1972 | 33 |
| 1973 | 43 |
| 1974 | 72 |
| 1975 | 99 |
| 1976 | 109 |
| 1977 | 154 |
| 1978 | 95 |
| 1979 | 121 |
| 1980 | 255 |
| 1981 | 344 |
| 1982 | 269 |
| 1983 | 244 |
| 1984 | 225 |
| 1985 | 210 |
| 1986 | 206 |
| 1987 | 216 |
| 1988 | 194 |
| 1989 | 267 |
| 1990 | 251 |
| 1991 | 421 |
| 1992 | 438 |
| 1993 | 556 |
| 1994 | 555 |
| 1995 | 615 |
| 1996 | 721 |
| 1997 | 754 |
| 1998 | 986 |
| 1999 | 1077 |
| 2000 | 1199 |
| 2001 | 1296 |
| 2002 | 1441 |
| 2003 | 1551 |
| 2004 | 1691 |
| 2005 | 1745 |
| 2006 | 1880 |
| 2007 | 2014 |
| 2008 | 2109 |
| 2009 | 2165 |
| 2010 | 2182 |
| 2011 | 2139 |
| 2012 | 2379 |
| 2013 | 2455 |
| 2014 | 2947 |
| 2015 | 3105 |
| 2016 | 3307 |
| 2017 | 3724 |
| 2018 | 4835 |
| 2019 | 5469 |
| 2020 | 5933 |
| 2021 | 6391 |
| 2022 | 6099 |
| 2023 | 6034 |
| 2024 | 2483 |