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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1847 | 2 |
| 1849 | 2 |
| 1851 | 1 |
| 1911 | 1 |
| 1914 | 1 |
| 1921 | 1 |
| 1924 | 3 |
| 1925 | 1 |
| 1931 | 1 |
| 1933 | 1 |
| 1946 | 2 |
| 1947 | 2 |
| 1948 | 2 |
| 1949 | 1 |
| 1952 | 2 |
| 1953 | 2 |
| 1954 | 2 |
| 1955 | 4 |
| 1956 | 1 |
| 1957 | 1 |
| 1959 | 1 |
| 1961 | 1 |
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 3 |
| 1966 | 2 |
| 1967 | 3 |
| 1968 | 6 |
| 1969 | 4 |
| 1970 | 1 |
| 1971 | 3 |
| 1972 | 6 |
| 1973 | 1 |
| 1974 | 5 |
| 1975 | 4 |
| 1976 | 6 |
| 1977 | 6 |
| 1978 | 12 |
| 1979 | 11 |
| 1980 | 15 |
| 1981 | 15 |
| 1982 | 14 |
| 1983 | 15 |
| 1984 | 20 |
| 1985 | 14 |
| 1986 | 30 |
| 1987 | 29 |
| 1988 | 32 |
| 1989 | 34 |
| 1990 | 29 |
| 1991 | 37 |
| 1992 | 26 |
| 1993 | 28 |
| 1994 | 39 |
| 1995 | 40 |
| 1996 | 43 |
| 1997 | 44 |
| 1998 | 54 |
| 1999 | 45 |
| 2000 | 60 |
| 2001 | 62 |
| 2002 | 58 |
| 2003 | 82 |
| 2004 | 76 |
| 2005 | 81 |
| 2006 | 71 |
| 2007 | 96 |
| 2008 | 106 |
| 2009 | 107 |
| 2010 | 123 |
| 2011 | 108 |
| 2012 | 124 |
| 2013 | 142 |
| 2014 | 152 |
| 2015 | 169 |
| 2016 | 147 |
| 2017 | 171 |
| 2018 | 155 |
| 2019 | 147 |
| 2020 | 187 |
| 2021 | 178 |
| 2022 | 189 |
| 2023 | 166 |