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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1824 | 1 |
| 1840 | 1 |
| 1842 | 1 |
| 1896 | 1 |
| 1904 | 1 |
| 1907 | 1 |
| 1912 | 1 |
| 1913 | 1 |
| 1920 | 1 |
| 1921 | 2 |
| 1923 | 1 |
| 1929 | 1 |
| 1939 | 1 |
| 1943 | 4 |
| 1945 | 1 |
| 1946 | 2 |
| 1947 | 1 |
| 1948 | 5 |
| 1949 | 4 |
| 1950 | 15 |
| 1951 | 25 |
| 1952 | 21 |
| 1953 | 25 |
| 1954 | 15 |
| 1955 | 19 |
| 1956 | 11 |
| 1957 | 12 |
| 1958 | 16 |
| 1959 | 16 |
| 1960 | 14 |
| 1961 | 19 |
| 1962 | 19 |
| 1963 | 13 |
| 1964 | 29 |
| 1965 | 21 |
| 1966 | 22 |
| 1967 | 21 |
| 1968 | 39 |
| 1969 | 40 |
| 1970 | 34 |
| 1971 | 41 |
| 1972 | 51 |
| 1973 | 47 |
| 1974 | 40 |
| 1975 | 49 |
| 1976 | 32 |
| 1977 | 70 |
| 1978 | 65 |
| 1979 | 55 |
| 1980 | 65 |
| 1981 | 53 |
| 1982 | 63 |
| 1983 | 69 |
| 1984 | 81 |
| 1985 | 63 |
| 1986 | 86 |
| 1987 | 90 |
| 1988 | 82 |
| 1989 | 82 |
| 1990 | 87 |
| 1991 | 93 |
| 1992 | 103 |
| 1993 | 86 |
| 1994 | 105 |
| 1995 | 122 |
| 1996 | 159 |
| 1997 | 192 |
| 1998 | 189 |
| 1999 | 233 |
| 2000 | 299 |
| 2001 | 343 |
| 2002 | 360 |
| 2003 | 368 |
| 2004 | 394 |
| 2005 | 429 |
| 2006 | 432 |
| 2007 | 561 |
| 2008 | 574 |
| 2009 | 560 |
| 2010 | 569 |
| 2011 | 633 |
| 2012 | 668 |
| 2013 | 752 |
| 2014 | 800 |
| 2015 | 933 |
| 2016 | 944 |
| 2017 | 970 |
| 2018 | 1089 |
| 2019 | 987 |
| 2020 | 1156 |
| 2021 | 1172 |
| 2022 | 1014 |
| 2023 | 979 |
| 2024 | 661 |