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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1840 | 1 |
| 1843 | 1 |
| 1845 | 2 |
| 1847 | 1 |
| 1853 | 1 |
| 1855 | 1 |
| 1866 | 1 |
| 1870 | 1 |
| 1871 | 2 |
| 1872 | 1 |
| 1881 | 2 |
| 1883 | 3 |
| 1884 | 1 |
| 1885 | 1 |
| 1886 | 1 |
| 1887 | 1 |
| 1889 | 1 |
| 1890 | 2 |
| 1891 | 1 |
| 1893 | 1 |
| 1897 | 1 |
| 1934 | 1 |
| 1939 | 1 |
| 1940 | 1 |
| 1945 | 7 |
| 1946 | 15 |
| 1947 | 5 |
| 1948 | 9 |
| 1949 | 1 |
| 1950 | 7 |
| 1951 | 8 |
| 1952 | 7 |
| 1953 | 11 |
| 1954 | 9 |
| 1955 | 6 |
| 1956 | 3 |
| 1957 | 2 |
| 1958 | 4 |
| 1959 | 7 |
| 1960 | 6 |
| 1961 | 8 |
| 1962 | 10 |
| 1963 | 11 |
| 1964 | 17 |
| 1965 | 16 |
| 1966 | 12 |
| 1967 | 59 |
| 1968 | 113 |
| 1969 | 161 |
| 1970 | 234 |
| 1971 | 339 |
| 1972 | 413 |
| 1973 | 483 |
| 1974 | 439 |
| 1975 | 352 |
| 1976 | 342 |
| 1977 | 190 |
| 1978 | 209 |
| 1979 | 155 |
| 1980 | 193 |
| 1981 | 161 |
| 1982 | 140 |
| 1983 | 159 |
| 1984 | 163 |
| 1985 | 180 |
| 1986 | 188 |
| 1987 | 184 |
| 1988 | 201 |
| 1989 | 213 |
| 1990 | 243 |
| 1991 | 246 |
| 1992 | 225 |
| 1993 | 220 |
| 1994 | 257 |
| 1995 | 255 |
| 1996 | 268 |
| 1997 | 336 |
| 1998 | 386 |
| 1999 | 344 |
| 2000 | 406 |
| 2001 | 508 |
| 2002 | 520 |
| 2003 | 541 |
| 2004 | 652 |
| 2005 | 801 |
| 2006 | 934 |
| 2007 | 911 |
| 2008 | 1019 |
| 2009 | 1015 |
| 2010 | 1164 |
| 2011 | 1285 |
| 2012 | 1462 |
| 2013 | 1587 |
| 2014 | 1861 |
| 2015 | 1955 |
| 2016 | 2169 |
| 2017 | 2369 |
| 2018 | 2826 |
| 2019 | 3212 |
| 2020 | 3876 |
| 2021 | 4275 |
| 2022 | 4434 |
| 2023 | 4127 |
| 2024 | 4160 |
| 2025 | 4482 |
| 2026 | 2332 |