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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1813 | 1 |
| 1829 | 1 |
| 1830 | 1 |
| 1840 | 1 |
| 1841 | 1 |
| 1842 | 2 |
| 1843 | 2 |
| 1848 | 1 |
| 1856 | 1 |
| 1857 | 1 |
| 1870 | 1 |
| 1871 | 2 |
| 1872 | 1 |
| 1877 | 1 |
| 1878 | 1 |
| 1885 | 1 |
| 1886 | 2 |
| 1893 | 1 |
| 1894 | 1 |
| 1902 | 1 |
| 1906 | 1 |
| 1908 | 1 |
| 1911 | 1 |
| 1913 | 1 |
| 1915 | 1 |
| 1917 | 1 |
| 1920 | 1 |
| 1921 | 1 |
| 1923 | 1 |
| 1924 | 1 |
| 1925 | 1 |
| 1926 | 1 |
| 1927 | 1 |
| 1928 | 3 |
| 1931 | 1 |
| 1932 | 1 |
| 1933 | 1 |
| 1934 | 1 |
| 1938 | 2 |
| 1940 | 1 |
| 1944 | 1 |
| 1945 | 3 |
| 1946 | 18 |
| 1947 | 16 |
| 1948 | 19 |
| 1949 | 28 |
| 1950 | 51 |
| 1951 | 68 |
| 1952 | 50 |
| 1953 | 51 |
| 1954 | 54 |
| 1955 | 60 |
| 1956 | 85 |
| 1957 | 79 |
| 1958 | 73 |
| 1959 | 66 |
| 1960 | 62 |
| 1961 | 73 |
| 1962 | 81 |
| 1963 | 239 |
| 1964 | 265 |
| 1965 | 184 |
| 1966 | 210 |
| 1967 | 234 |
| 1968 | 292 |
| 1969 | 381 |
| 1970 | 352 |
| 1971 | 335 |
| 1972 | 351 |
| 1973 | 391 |
| 1974 | 396 |
| 1975 | 330 |
| 1976 | 322 |
| 1977 | 312 |
| 1978 | 313 |
| 1979 | 263 |
| 1980 | 293 |
| 1981 | 347 |
| 1982 | 335 |
| 1983 | 371 |
| 1984 | 394 |
| 1985 | 421 |
| 1986 | 457 |
| 1987 | 475 |
| 1988 | 470 |
| 1989 | 505 |
| 1990 | 484 |
| 1991 | 552 |
| 1992 | 532 |
| 1993 | 623 |
| 1994 | 609 |
| 1995 | 593 |
| 1996 | 599 |
| 1997 | 564 |
| 1998 | 668 |
| 1999 | 747 |
| 2000 | 853 |
| 2001 | 896 |
| 2002 | 927 |
| 2003 | 893 |
| 2004 | 1010 |
| 2005 | 1169 |
| 2006 | 1247 |
| 2007 | 1379 |
| 2008 | 1424 |
| 2009 | 1569 |
| 2010 | 1511 |
| 2011 | 1547 |
| 2012 | 1630 |
| 2013 | 1901 |
| 2014 | 1859 |
| 2015 | 1824 |
| 2016 | 1869 |
| 2017 | 1990 |
| 2018 | 1933 |
| 2019 | 1898 |
| 2020 | 1956 |
| 2021 | 1915 |
| 2022 | 1798 |
| 2023 | 1640 |
| 2024 | 1915 |
| 2025 | 725 |