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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1820 | 1 |
| 1828 | 2 |
| 1831 | 1 |
| 1845 | 1 |
| 1849 | 3 |
| 1850 | 4 |
| 1851 | 1 |
| 1852 | 1 |
| 1854 | 2 |
| 1855 | 4 |
| 1864 | 1 |
| 1865 | 1 |
| 1870 | 2 |
| 1871 | 1 |
| 1872 | 5 |
| 1877 | 1 |
| 1878 | 3 |
| 1879 | 1 |
| 1881 | 1 |
| 1882 | 1 |
| 1888 | 2 |
| 1889 | 2 |
| 1890 | 1 |
| 1891 | 1 |
| 1892 | 1 |
| 1894 | 2 |
| 1895 | 4 |
| 1896 | 3 |
| 1899 | 1 |
| 1900 | 1 |
| 1901 | 1 |
| 1902 | 4 |
| 1903 | 1 |
| 1904 | 1 |
| 1906 | 3 |
| 1907 | 2 |
| 1908 | 1 |
| 1909 | 1 |
| 1910 | 2 |
| 1911 | 1 |
| 1912 | 4 |
| 1914 | 2 |
| 1915 | 1 |
| 1917 | 1 |
| 1918 | 1 |
| 1921 | 1 |
| 1922 | 2 |
| 1925 | 1 |
| 1926 | 3 |
| 1928 | 1 |
| 1929 | 2 |
| 1931 | 1 |
| 1932 | 4 |
| 1933 | 4 |
| 1935 | 1 |
| 1936 | 3 |
| 1937 | 3 |
| 1938 | 4 |
| 1941 | 2 |
| 1942 | 1 |
| 1943 | 2 |
| 1945 | 4 |
| 1946 | 15 |
| 1947 | 12 |
| 1948 | 10 |
| 1949 | 6 |
| 1950 | 15 |
| 1951 | 19 |
| 1952 | 34 |
| 1953 | 30 |
| 1954 | 15 |
| 1955 | 20 |
| 1956 | 21 |
| 1957 | 20 |
| 1958 | 20 |
| 1959 | 18 |
| 1960 | 17 |
| 1961 | 17 |
| 1962 | 20 |
| 1963 | 28 |
| 1964 | 16 |
| 1965 | 29 |
| 1966 | 46 |
| 1967 | 39 |
| 1968 | 44 |
| 1969 | 47 |
| 1970 | 41 |
| 1971 | 35 |
| 1972 | 54 |
| 1973 | 52 |
| 1974 | 42 |
| 1975 | 65 |
| 1976 | 42 |
| 1977 | 52 |
| 1978 | 60 |
| 1979 | 53 |
| 1980 | 56 |
| 1981 | 49 |
| 1982 | 58 |
| 1983 | 52 |
| 1984 | 70 |
| 1985 | 76 |
| 1986 | 66 |
| 1987 | 71 |
| 1988 | 86 |
| 1989 | 90 |
| 1990 | 103 |
| 1991 | 109 |
| 1992 | 108 |
| 1993 | 93 |
| 1994 | 127 |
| 1995 | 107 |
| 1996 | 131 |
| 1997 | 106 |
| 1998 | 147 |
| 1999 | 121 |
| 2000 | 133 |
| 2001 | 146 |
| 2002 | 138 |
| 2003 | 168 |
| 2004 | 211 |
| 2005 | 218 |
| 2006 | 245 |
| 2007 | 256 |
| 2008 | 284 |
| 2009 | 294 |
| 2010 | 302 |
| 2011 | 309 |
| 2012 | 330 |
| 2013 | 404 |
| 2014 | 402 |
| 2015 | 405 |
| 2016 | 419 |
| 2017 | 453 |
| 2018 | 423 |
| 2019 | 411 |
| 2020 | 491 |
| 2021 | 534 |
| 2022 | 478 |
| 2023 | 433 |
| 2024 | 425 |
| 2025 | 1 |