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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1823 | 1 |
| 1827 | 1 |
| 1848 | 1 |
| 1864 | 1 |
| 1865 | 2 |
| 1870 | 1 |
| 1876 | 1 |
| 1884 | 1 |
| 1885 | 1 |
| 1887 | 1 |
| 1889 | 1 |
| 1890 | 2 |
| 1893 | 1 |
| 1894 | 1 |
| 1895 | 2 |
| 1896 | 2 |
| 1897 | 1 |
| 1899 | 1 |
| 1900 | 2 |
| 1901 | 7 |
| 1902 | 4 |
| 1906 | 2 |
| 1908 | 2 |
| 1912 | 1 |
| 1913 | 1 |
| 1915 | 1 |
| 1917 | 1 |
| 1918 | 1 |
| 1920 | 1 |
| 1921 | 2 |
| 1922 | 1 |
| 1923 | 1 |
| 1924 | 3 |
| 1925 | 1 |
| 1926 | 3 |
| 1927 | 6 |
| 1928 | 1 |
| 1929 | 2 |
| 1930 | 6 |
| 1931 | 3 |
| 1932 | 3 |
| 1934 | 8 |
| 1935 | 1 |
| 1936 | 5 |
| 1937 | 3 |
| 1938 | 4 |
| 1939 | 3 |
| 1940 | 2 |
| 1941 | 3 |
| 1942 | 8 |
| 1943 | 3 |
| 1944 | 1 |
| 1945 | 5 |
| 1946 | 33 |
| 1947 | 58 |
| 1948 | 50 |
| 1949 | 25 |
| 1950 | 43 |
| 1951 | 24 |
| 1952 | 30 |
| 1953 | 25 |
| 1954 | 30 |
| 1955 | 37 |
| 1956 | 35 |
| 1957 | 51 |
| 1958 | 51 |
| 1959 | 29 |
| 1960 | 32 |
| 1961 | 46 |
| 1962 | 45 |
| 1963 | 56 |
| 1964 | 55 |
| 1965 | 39 |
| 1966 | 52 |
| 1967 | 44 |
| 1968 | 51 |
| 1969 | 50 |
| 1970 | 58 |
| 1971 | 69 |
| 1972 | 56 |
| 1973 | 84 |
| 1974 | 82 |
| 1975 | 94 |
| 1976 | 89 |
| 1977 | 122 |
| 1978 | 104 |
| 1979 | 112 |
| 1980 | 114 |
| 1981 | 88 |
| 1982 | 120 |
| 1983 | 126 |
| 1984 | 115 |
| 1985 | 152 |
| 1986 | 150 |
| 1987 | 166 |
| 1988 | 161 |
| 1989 | 225 |
| 1990 | 227 |
| 1991 | 208 |
| 1992 | 193 |
| 1993 | 229 |
| 1994 | 205 |
| 1995 | 230 |
| 1996 | 257 |
| 1997 | 341 |
| 1998 | 403 |
| 1999 | 416 |
| 2000 | 433 |
| 2001 | 365 |
| 2002 | 330 |
| 2003 | 310 |
| 2004 | 338 |
| 2005 | 374 |
| 2006 | 451 |
| 2007 | 500 |
| 2008 | 490 |
| 2009 | 532 |
| 2010 | 539 |
| 2011 | 567 |
| 2012 | 588 |
| 2013 | 700 |
| 2014 | 771 |
| 2015 | 832 |
| 2016 | 926 |
| 2017 | 980 |
| 2018 | 1120 |
| 2019 | 1214 |
| 2020 | 1381 |
| 2021 | 1540 |
| 2022 | 1410 |
| 2023 | 1345 |
| 2024 | 1498 |
| 2025 | 1410 |