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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1817 | 1 |
| 1841 | 1 |
| 1884 | 1 |
| 1892 | 1 |
| 1894 | 1 |
| 1897 | 1 |
| 1901 | 1 |
| 1905 | 1 |
| 1911 | 2 |
| 1917 | 2 |
| 1920 | 1 |
| 1923 | 1 |
| 1924 | 2 |
| 1925 | 2 |
| 1927 | 2 |
| 1929 | 2 |
| 1930 | 2 |
| 1931 | 3 |
| 1932 | 1 |
| 1933 | 1 |
| 1934 | 3 |
| 1935 | 2 |
| 1936 | 1 |
| 1937 | 1 |
| 1944 | 2 |
| 1945 | 2 |
| 1946 | 13 |
| 1947 | 18 |
| 1948 | 12 |
| 1949 | 13 |
| 1950 | 46 |
| 1951 | 43 |
| 1952 | 51 |
| 1953 | 49 |
| 1954 | 29 |
| 1955 | 29 |
| 1956 | 27 |
| 1957 | 26 |
| 1958 | 36 |
| 1959 | 20 |
| 1960 | 20 |
| 1961 | 26 |
| 1962 | 29 |
| 1963 | 31 |
| 1964 | 32 |
| 1965 | 29 |
| 1966 | 25 |
| 1967 | 32 |
| 1968 | 32 |
| 1969 | 33 |
| 1970 | 31 |
| 1971 | 32 |
| 1972 | 37 |
| 1973 | 29 |
| 1974 | 45 |
| 1975 | 43 |
| 1976 | 64 |
| 1977 | 66 |
| 1978 | 67 |
| 1979 | 67 |
| 1980 | 73 |
| 1981 | 67 |
| 1982 | 92 |
| 1983 | 67 |
| 1984 | 93 |
| 1985 | 83 |
| 1986 | 93 |
| 1987 | 122 |
| 1988 | 204 |
| 1989 | 225 |
| 1990 | 239 |
| 1991 | 247 |
| 1992 | 292 |
| 1993 | 374 |
| 1994 | 358 |
| 1995 | 360 |
| 1996 | 481 |
| 1997 | 459 |
| 1998 | 587 |
| 1999 | 756 |
| 2000 | 761 |
| 2001 | 847 |
| 2002 | 896 |
| 2003 | 996 |
| 2004 | 1168 |
| 2005 | 1327 |
| 2006 | 1632 |
| 2007 | 1667 |
| 2008 | 1786 |
| 2009 | 1800 |
| 2010 | 1771 |
| 2011 | 1995 |
| 2012 | 2072 |
| 2013 | 2501 |
| 2014 | 3597 |
| 2015 | 4367 |
| 2016 | 4432 |
| 2017 | 4604 |
| 2018 | 4466 |
| 2019 | 4470 |
| 2020 | 4628 |
| 2021 | 4712 |
| 2022 | 4161 |
| 2023 | 4183 |
| 2024 | 1938 |
| 2025 | 1 |