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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1840 | 1 |
| 1841 | 2 |
| 1842 | 1 |
| 1846 | 1 |
| 1878 | 1 |
| 1883 | 1 |
| 1884 | 1 |
| 1885 | 1 |
| 1892 | 1 |
| 1895 | 1 |
| 1897 | 1 |
| 1900 | 1 |
| 1902 | 3 |
| 1903 | 2 |
| 1909 | 2 |
| 1911 | 3 |
| 1913 | 2 |
| 1914 | 1 |
| 1916 | 2 |
| 1917 | 1 |
| 1919 | 2 |
| 1920 | 4 |
| 1921 | 4 |
| 1922 | 3 |
| 1923 | 4 |
| 1924 | 2 |
| 1926 | 1 |
| 1927 | 2 |
| 1928 | 1 |
| 1931 | 7 |
| 1932 | 12 |
| 1933 | 5 |
| 1934 | 4 |
| 1935 | 5 |
| 1936 | 6 |
| 1937 | 7 |
| 1938 | 3 |
| 1939 | 4 |
| 1940 | 3 |
| 1942 | 2 |
| 1943 | 2 |
| 1944 | 6 |
| 1945 | 148 |
| 1946 | 498 |
| 1947 | 561 |
| 1948 | 594 |
| 1949 | 525 |
| 1950 | 72 |
| 1951 | 472 |
| 1952 | 1219 |
| 1953 | 1284 |
| 1954 | 1236 |
| 1955 | 1312 |
| 1956 | 1374 |
| 1957 | 1511 |
| 1958 | 1438 |
| 1959 | 1645 |
| 1960 | 1567 |
| 1961 | 1791 |
| 1962 | 1272 |
| 1963 | 354 |
| 1964 | 756 |
| 1965 | 1666 |
| 1966 | 2581 |
| 1967 | 3036 |
| 1968 | 3632 |
| 1969 | 3848 |
| 1970 | 3792 |
| 1971 | 4228 |
| 1972 | 4434 |
| 1973 | 4186 |
| 1974 | 4752 |
| 1975 | 4404 |
| 1976 | 4193 |
| 1977 | 4211 |
| 1978 | 4402 |
| 1979 | 4385 |
| 1980 | 4411 |
| 1981 | 4596 |
| 1982 | 4649 |
| 1983 | 4908 |
| 1984 | 5220 |
| 1985 | 5408 |
| 1986 | 5243 |
| 1987 | 5526 |
| 1988 | 5671 |
| 1989 | 5827 |
| 1990 | 6185 |
| 1991 | 6495 |
| 1992 | 6684 |
| 1993 | 7354 |
| 1994 | 7350 |
| 1995 | 7941 |
| 1996 | 8170 |
| 1997 | 8351 |
| 1998 | 8749 |
| 1999 | 9055 |
| 2000 | 9583 |
| 2001 | 9654 |
| 2002 | 10092 |
| 2003 | 10373 |
| 2004 | 10862 |
| 2005 | 11148 |
| 2006 | 12093 |
| 2007 | 12124 |
| 2008 | 12434 |
| 2009 | 12347 |
| 2010 | 12607 |
| 2011 | 12927 |
| 2012 | 12590 |
| 2013 | 12800 |
| 2014 | 13230 |
| 2015 | 12613 |
| 2016 | 11945 |
| 2017 | 11708 |
| 2018 | 11809 |
| 2019 | 11779 |
| 2020 | 10772 |
| 2021 | 8786 |
| 2022 | 6572 |
| 2023 | 5340 |
| 2024 | 2005 |