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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1838 | 1 |
| 1842 | 1 |
| 1845 | 1 |
| 1851 | 2 |
| 1853 | 1 |
| 1854 | 1 |
| 1855 | 2 |
| 1857 | 1 |
| 1859 | 1 |
| 1867 | 6 |
| 1869 | 2 |
| 1874 | 1 |
| 1875 | 2 |
| 1878 | 2 |
| 1879 | 2 |
| 1882 | 2 |
| 1884 | 1 |
| 1885 | 1 |
| 1886 | 1 |
| 1889 | 1 |
| 1890 | 1 |
| 1892 | 1 |
| 1893 | 1 |
| 1895 | 1 |
| 1896 | 1 |
| 1898 | 3 |
| 1900 | 1 |
| 1901 | 1 |
| 1902 | 1 |
| 1903 | 3 |
| 1904 | 1 |
| 1905 | 2 |
| 1908 | 2 |
| 1910 | 1 |
| 1911 | 3 |
| 1913 | 3 |
| 1914 | 2 |
| 1915 | 4 |
| 1916 | 1 |
| 1917 | 4 |
| 1918 | 1 |
| 1919 | 1 |
| 1920 | 3 |
| 1921 | 2 |
| 1922 | 8 |
| 1923 | 2 |
| 1924 | 3 |
| 1925 | 1 |
| 1926 | 1 |
| 1927 | 5 |
| 1928 | 5 |
| 1929 | 4 |
| 1930 | 4 |
| 1931 | 6 |
| 1932 | 4 |
| 1933 | 5 |
| 1934 | 4 |
| 1936 | 2 |
| 1937 | 3 |
| 1938 | 3 |
| 1939 | 1 |
| 1940 | 1 |
| 1941 | 2 |
| 1942 | 2 |
| 1943 | 4 |
| 1944 | 5 |
| 1945 | 12 |
| 1946 | 36 |
| 1947 | 31 |
| 1948 | 31 |
| 1949 | 36 |
| 1950 | 45 |
| 1951 | 63 |
| 1952 | 52 |
| 1953 | 76 |
| 1954 | 64 |
| 1955 | 73 |
| 1956 | 83 |
| 1957 | 87 |
| 1958 | 61 |
| 1959 | 67 |
| 1960 | 57 |
| 1961 | 88 |
| 1962 | 95 |
| 1963 | 107 |
| 1964 | 166 |
| 1965 | 114 |
| 1966 | 132 |
| 1967 | 203 |
| 1968 | 188 |
| 1969 | 257 |
| 1970 | 223 |
| 1971 | 256 |
| 1972 | 211 |
| 1973 | 252 |
| 1974 | 244 |
| 1975 | 255 |
| 1976 | 236 |
| 1977 | 229 |
| 1978 | 236 |
| 1979 | 276 |
| 1980 | 239 |
| 1981 | 239 |
| 1982 | 246 |
| 1983 | 228 |
| 1984 | 259 |
| 1985 | 307 |
| 1986 | 325 |
| 1987 | 324 |
| 1988 | 305 |
| 1989 | 345 |
| 1990 | 369 |
| 1991 | 325 |
| 1992 | 313 |
| 1993 | 332 |
| 1994 | 306 |
| 1995 | 355 |
| 1996 | 374 |
| 1997 | 421 |
| 1998 | 403 |
| 1999 | 434 |
| 2000 | 437 |
| 2001 | 451 |
| 2002 | 460 |
| 2003 | 508 |
| 2004 | 468 |
| 2005 | 602 |
| 2006 | 672 |
| 2007 | 690 |
| 2008 | 707 |
| 2009 | 752 |
| 2010 | 715 |
| 2011 | 791 |
| 2012 | 807 |
| 2013 | 887 |
| 2014 | 809 |
| 2015 | 816 |
| 2016 | 827 |
| 2017 | 907 |
| 2018 | 893 |
| 2019 | 930 |
| 2020 | 1039 |
| 2021 | 990 |
| 2022 | 835 |
| 2023 | 817 |
| 2024 | 827 |
| 2025 | 819 |
| 2026 | 266 |