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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1827 | 1 |
| 1854 | 1 |
| 1859 | 1 |
| 1861 | 1 |
| 1871 | 1 |
| 1878 | 1 |
| 1897 | 1 |
| 1913 | 1 |
| 1914 | 1 |
| 1937 | 4 |
| 1940 | 3 |
| 1941 | 1 |
| 1942 | 1 |
| 1943 | 1 |
| 1945 | 5 |
| 1946 | 15 |
| 1947 | 6 |
| 1948 | 7 |
| 1949 | 12 |
| 1950 | 6 |
| 1951 | 9 |
| 1952 | 3 |
| 1953 | 14 |
| 1954 | 13 |
| 1955 | 7 |
| 1956 | 11 |
| 1957 | 4 |
| 1958 | 3 |
| 1959 | 7 |
| 1960 | 11 |
| 1961 | 13 |
| 1962 | 13 |
| 1963 | 15 |
| 1964 | 17 |
| 1965 | 22 |
| 1966 | 12 |
| 1967 | 26 |
| 1968 | 27 |
| 1969 | 33 |
| 1970 | 27 |
| 1971 | 33 |
| 1972 | 37 |
| 1973 | 58 |
| 1974 | 50 |
| 1975 | 44 |
| 1976 | 66 |
| 1977 | 48 |
| 1978 | 47 |
| 1979 | 58 |
| 1980 | 58 |
| 1981 | 55 |
| 1982 | 53 |
| 1983 | 67 |
| 1984 | 60 |
| 1985 | 80 |
| 1986 | 69 |
| 1987 | 80 |
| 1988 | 65 |
| 1989 | 88 |
| 1990 | 108 |
| 1991 | 67 |
| 1992 | 101 |
| 1993 | 97 |
| 1994 | 88 |
| 1995 | 100 |
| 1996 | 87 |
| 1997 | 89 |
| 1998 | 65 |
| 1999 | 75 |
| 2000 | 128 |
| 2001 | 96 |
| 2002 | 122 |
| 2003 | 113 |
| 2004 | 121 |
| 2005 | 138 |
| 2006 | 166 |
| 2007 | 148 |
| 2008 | 171 |
| 2009 | 176 |
| 2010 | 199 |
| 2011 | 230 |
| 2012 | 270 |
| 2013 | 287 |
| 2014 | 268 |
| 2015 | 315 |
| 2016 | 327 |
| 2017 | 310 |
| 2018 | 284 |
| 2019 | 247 |
| 2020 | 256 |
| 2021 | 279 |
| 2022 | 260 |
| 2023 | 56 |