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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1839 | 1 |
| 1840 | 1 |
| 1841 | 3 |
| 1842 | 3 |
| 1843 | 2 |
| 1846 | 1 |
| 1847 | 1 |
| 1849 | 1 |
| 1855 | 1 |
| 1860 | 2 |
| 1861 | 1 |
| 1869 | 6 |
| 1870 | 1 |
| 1875 | 1 |
| 1876 | 2 |
| 1880 | 1 |
| 1881 | 1 |
| 1888 | 2 |
| 1889 | 1 |
| 1891 | 1 |
| 1896 | 2 |
| 1899 | 1 |
| 1900 | 2 |
| 1901 | 2 |
| 1902 | 1 |
| 1904 | 1 |
| 1905 | 1 |
| 1907 | 2 |
| 1909 | 2 |
| 1912 | 2 |
| 1915 | 1 |
| 1918 | 1 |
| 1921 | 1 |
| 1923 | 1 |
| 1924 | 1 |
| 1925 | 1 |
| 1928 | 1 |
| 1929 | 1 |
| 1932 | 1 |
| 1935 | 1 |
| 1936 | 1 |
| 1939 | 2 |
| 1940 | 1 |
| 1941 | 2 |
| 1943 | 2 |
| 1944 | 2 |
| 1945 | 2 |
| 1946 | 13 |
| 1947 | 15 |
| 1948 | 14 |
| 1949 | 21 |
| 1950 | 17 |
| 1951 | 33 |
| 1952 | 26 |
| 1953 | 16 |
| 1954 | 29 |
| 1955 | 28 |
| 1956 | 30 |
| 1957 | 30 |
| 1958 | 30 |
| 1959 | 29 |
| 1960 | 37 |
| 1961 | 29 |
| 1962 | 41 |
| 1963 | 35 |
| 1964 | 48 |
| 1965 | 59 |
| 1966 | 58 |
| 1967 | 59 |
| 1968 | 65 |
| 1969 | 60 |
| 1970 | 71 |
| 1971 | 75 |
| 1972 | 80 |
| 1973 | 69 |
| 1974 | 83 |
| 1975 | 69 |
| 1976 | 79 |
| 1977 | 100 |
| 1978 | 120 |
| 1979 | 137 |
| 1980 | 152 |
| 1981 | 134 |
| 1982 | 142 |
| 1983 | 161 |
| 1984 | 173 |
| 1985 | 187 |
| 1986 | 185 |
| 1987 | 210 |
| 1988 | 186 |
| 1989 | 215 |
| 1990 | 250 |
| 1991 | 278 |
| 1992 | 293 |
| 1993 | 309 |
| 1994 | 336 |
| 1995 | 312 |
| 1996 | 336 |
| 1997 | 327 |
| 1998 | 339 |
| 1999 | 352 |
| 2000 | 408 |
| 2001 | 461 |
| 2002 | 488 |
| 2003 | 458 |
| 2004 | 547 |
| 2005 | 542 |
| 2006 | 583 |
| 2007 | 662 |
| 2008 | 738 |
| 2009 | 780 |
| 2010 | 806 |
| 2011 | 903 |
| 2012 | 912 |
| 2013 | 1016 |
| 2014 | 988 |
| 2015 | 1053 |
| 2016 | 1081 |
| 2017 | 1139 |
| 2018 | 1154 |
| 2019 | 1216 |
| 2020 | 1315 |
| 2021 | 1475 |
| 2022 | 1456 |
| 2023 | 1375 |
| 2024 | 1362 |
| 2025 | 1187 |
| 2026 | 2 |