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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1800 | 1 |
| 1829 | 1 |
| 1841 | 1 |
| 1842 | 1 |
| 1886 | 1 |
| 1890 | 4 |
| 1892 | 2 |
| 1894 | 1 |
| 1896 | 2 |
| 1899 | 1 |
| 1902 | 2 |
| 1904 | 2 |
| 1906 | 1 |
| 1907 | 1 |
| 1909 | 1 |
| 1916 | 1 |
| 1921 | 3 |
| 1925 | 1 |
| 1926 | 1 |
| 1927 | 5 |
| 1930 | 1 |
| 1933 | 1 |
| 1934 | 4 |
| 1935 | 2 |
| 1936 | 2 |
| 1937 | 2 |
| 1944 | 2 |
| 1945 | 3 |
| 1946 | 6 |
| 1947 | 4 |
| 1948 | 3 |
| 1949 | 5 |
| 1950 | 1 |
| 1951 | 7 |
| 1952 | 1 |
| 1954 | 1 |
| 1955 | 2 |
| 1956 | 9 |
| 1957 | 3 |
| 1958 | 3 |
| 1959 | 6 |
| 1960 | 5 |
| 1961 | 5 |
| 1962 | 4 |
| 1963 | 9 |
| 1964 | 6 |
| 1965 | 12 |
| 1966 | 12 |
| 1967 | 22 |
| 1968 | 10 |
| 1969 | 24 |
| 1970 | 15 |
| 1971 | 32 |
| 1972 | 13 |
| 1973 | 17 |
| 1974 | 23 |
| 1975 | 57 |
| 1976 | 72 |
| 1977 | 59 |
| 1978 | 75 |
| 1979 | 78 |
| 1980 | 78 |
| 1981 | 95 |
| 1982 | 90 |
| 1983 | 136 |
| 1984 | 144 |
| 1985 | 160 |
| 1986 | 173 |
| 1987 | 140 |
| 1988 | 201 |
| 1989 | 206 |
| 1990 | 247 |
| 1991 | 228 |
| 1992 | 303 |
| 1993 | 258 |
| 1994 | 304 |
| 1995 | 293 |
| 1996 | 315 |
| 1997 | 309 |
| 1998 | 317 |
| 1999 | 372 |
| 2000 | 403 |
| 2001 | 386 |
| 2002 | 402 |
| 2003 | 432 |
| 2004 | 458 |
| 2005 | 503 |
| 2006 | 547 |
| 2007 | 523 |
| 2008 | 614 |
| 2009 | 661 |
| 2010 | 804 |
| 2011 | 728 |
| 2012 | 803 |
| 2013 | 861 |
| 2014 | 983 |
| 2015 | 1020 |
| 2016 | 1091 |
| 2017 | 1097 |
| 2018 | 1246 |
| 2019 | 1328 |
| 2020 | 1598 |
| 2021 | 1625 |
| 2022 | 1598 |
| 2023 | 1509 |
| 2024 | 550 |