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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1809 | 1 |
| 1844 | 1 |
| 1845 | 1 |
| 1847 | 2 |
| 1848 | 2 |
| 1852 | 1 |
| 1853 | 1 |
| 1855 | 2 |
| 1857 | 2 |
| 1858 | 1 |
| 1859 | 2 |
| 1860 | 4 |
| 1861 | 1 |
| 1862 | 2 |
| 1866 | 1 |
| 1867 | 2 |
| 1869 | 1 |
| 1870 | 1 |
| 1871 | 1 |
| 1877 | 1 |
| 1880 | 2 |
| 1882 | 1 |
| 1883 | 5 |
| 1884 | 1 |
| 1885 | 1 |
| 1886 | 4 |
| 1887 | 3 |
| 1894 | 1 |
| 1895 | 1 |
| 1896 | 5 |
| 1897 | 5 |
| 1898 | 1 |
| 1900 | 1 |
| 1902 | 2 |
| 1903 | 1 |
| 1905 | 3 |
| 1906 | 4 |
| 1907 | 5 |
| 1909 | 3 |
| 1910 | 2 |
| 1911 | 3 |
| 1912 | 1 |
| 1915 | 1 |
| 1916 | 1 |
| 1920 | 1 |
| 1941 | 1 |
| 1942 | 3 |
| 1943 | 1 |
| 1944 | 1 |
| 1946 | 5 |
| 1947 | 8 |
| 1948 | 12 |
| 1949 | 12 |
| 1950 | 8 |
| 1951 | 12 |
| 1952 | 5 |
| 1953 | 10 |
| 1954 | 11 |
| 1955 | 15 |
| 1956 | 16 |
| 1957 | 18 |
| 1958 | 15 |
| 1959 | 16 |
| 1960 | 21 |
| 1961 | 21 |
| 1962 | 21 |
| 1963 | 16 |
| 1964 | 21 |
| 1965 | 15 |
| 1966 | 39 |
| 1967 | 24 |
| 1968 | 31 |
| 1969 | 45 |
| 1970 | 43 |
| 1971 | 58 |
| 1972 | 42 |
| 1973 | 60 |
| 1974 | 70 |
| 1975 | 64 |
| 1976 | 69 |
| 1977 | 66 |
| 1978 | 79 |
| 1979 | 92 |
| 1980 | 70 |
| 1981 | 58 |
| 1982 | 62 |
| 1983 | 91 |
| 1984 | 93 |
| 1985 | 103 |
| 1986 | 109 |
| 1987 | 107 |
| 1988 | 97 |
| 1989 | 77 |
| 1990 | 99 |
| 1991 | 92 |
| 1992 | 111 |
| 1993 | 96 |
| 1994 | 122 |
| 1995 | 110 |
| 1996 | 112 |
| 1997 | 114 |
| 1998 | 134 |
| 1999 | 114 |
| 2000 | 147 |
| 2001 | 144 |
| 2002 | 129 |
| 2003 | 137 |
| 2004 | 145 |
| 2005 | 139 |
| 2006 | 134 |
| 2007 | 149 |
| 2008 | 185 |
| 2009 | 215 |
| 2010 | 232 |
| 2011 | 265 |
| 2012 | 271 |
| 2013 | 315 |
| 2014 | 317 |
| 2015 | 336 |
| 2016 | 272 |
| 2017 | 299 |
| 2018 | 341 |
| 2019 | 369 |
| 2020 | 396 |
| 2021 | 495 |
| 2022 | 427 |
| 2023 | 39 |