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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1805 | 1 |
| 1864 | 1 |
| 1912 | 1 |
| 1913 | 1 |
| 1915 | 1 |
| 1919 | 1 |
| 1920 | 3 |
| 1921 | 3 |
| 1922 | 2 |
| 1924 | 4 |
| 1927 | 2 |
| 1928 | 3 |
| 1931 | 1 |
| 1932 | 2 |
| 1934 | 1 |
| 1936 | 2 |
| 1937 | 1 |
| 1941 | 1 |
| 1944 | 1 |
| 1945 | 2 |
| 1946 | 8 |
| 1947 | 2 |
| 1948 | 6 |
| 1949 | 5 |
| 1950 | 5 |
| 1951 | 8 |
| 1952 | 8 |
| 1953 | 9 |
| 1954 | 5 |
| 1955 | 4 |
| 1956 | 7 |
| 1957 | 7 |
| 1958 | 8 |
| 1959 | 10 |
| 1960 | 7 |
| 1961 | 11 |
| 1962 | 7 |
| 1963 | 24 |
| 1964 | 24 |
| 1965 | 38 |
| 1966 | 30 |
| 1967 | 33 |
| 1968 | 43 |
| 1969 | 47 |
| 1970 | 48 |
| 1971 | 37 |
| 1972 | 51 |
| 1973 | 36 |
| 1974 | 52 |
| 1975 | 45 |
| 1976 | 42 |
| 1977 | 48 |
| 1978 | 55 |
| 1979 | 85 |
| 1980 | 104 |
| 1981 | 103 |
| 1982 | 100 |
| 1983 | 112 |
| 1984 | 117 |
| 1985 | 124 |
| 1986 | 154 |
| 1987 | 140 |
| 1988 | 154 |
| 1989 | 169 |
| 1990 | 171 |
| 1991 | 182 |
| 1992 | 173 |
| 1993 | 175 |
| 1994 | 186 |
| 1995 | 221 |
| 1996 | 208 |
| 1997 | 323 |
| 1998 | 501 |
| 1999 | 371 |
| 2000 | 405 |
| 2001 | 480 |
| 2002 | 416 |
| 2003 | 478 |
| 2004 | 496 |
| 2005 | 499 |
| 2006 | 574 |
| 2007 | 614 |
| 2008 | 785 |
| 2009 | 773 |
| 2010 | 880 |
| 2011 | 896 |
| 2012 | 993 |
| 2013 | 1005 |
| 2014 | 1125 |
| 2015 | 1186 |
| 2016 | 1130 |
| 2017 | 1346 |
| 2018 | 1336 |
| 2019 | 1487 |
| 2020 | 1573 |
| 2021 | 1788 |
| 2022 | 1786 |
| 2023 | 1880 |
| 2024 | 714 |