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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1831 | 3 |
| 1842 | 2 |
| 1849 | 1 |
| 1877 | 2 |
| 1894 | 2 |
| 1895 | 1 |
| 1898 | 1 |
| 1901 | 1 |
| 1932 | 2 |
| 1935 | 1 |
| 1937 | 1 |
| 1941 | 1 |
| 1946 | 1 |
| 1949 | 1 |
| 1951 | 1 |
| 1952 | 1 |
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 3 |
| 1958 | 1 |
| 1961 | 2 |
| 1962 | 3 |
| 1963 | 3 |
| 1964 | 15 |
| 1965 | 6 |
| 1966 | 7 |
| 1967 | 6 |
| 1968 | 9 |
| 1969 | 2 |
| 1970 | 14 |
| 1971 | 15 |
| 1972 | 16 |
| 1973 | 22 |
| 1974 | 16 |
| 1975 | 16 |
| 1976 | 25 |
| 1977 | 24 |
| 1978 | 36 |
| 1979 | 23 |
| 1980 | 20 |
| 1981 | 28 |
| 1982 | 45 |
| 1983 | 25 |
| 1984 | 67 |
| 1985 | 51 |
| 1986 | 52 |
| 1987 | 64 |
| 1988 | 73 |
| 1989 | 52 |
| 1990 | 80 |
| 1991 | 74 |
| 1992 | 85 |
| 1993 | 75 |
| 1994 | 103 |
| 1995 | 118 |
| 1996 | 119 |
| 1997 | 128 |
| 1998 | 176 |
| 1999 | 161 |
| 2000 | 195 |
| 2001 | 232 |
| 2002 | 253 |
| 2003 | 331 |
| 2004 | 395 |
| 2005 | 418 |
| 2006 | 513 |
| 2007 | 566 |
| 2008 | 638 |
| 2009 | 762 |
| 2010 | 796 |
| 2011 | 959 |
| 2012 | 1027 |
| 2013 | 1071 |
| 2014 | 1163 |
| 2015 | 1200 |
| 2016 | 1264 |
| 2017 | 1260 |
| 2018 | 1345 |
| 2019 | 1451 |
| 2020 | 1635 |
| 2021 | 1880 |
| 2022 | 1672 |
| 2023 | 167 |