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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1865 | 1 |
| 1868 | 2 |
| 1876 | 1 |
| 1877 | 1 |
| 1895 | 1 |
| 1913 | 1 |
| 1930 | 1 |
| 1931 | 5 |
| 1933 | 1 |
| 1937 | 2 |
| 1941 | 1 |
| 1945 | 4 |
| 1946 | 8 |
| 1947 | 7 |
| 1948 | 11 |
| 1949 | 9 |
| 1950 | 7 |
| 1951 | 9 |
| 1952 | 8 |
| 1953 | 7 |
| 1954 | 6 |
| 1955 | 13 |
| 1956 | 6 |
| 1957 | 13 |
| 1958 | 9 |
| 1959 | 15 |
| 1960 | 7 |
| 1961 | 6 |
| 1962 | 27 |
| 1963 | 9 |
| 1964 | 12 |
| 1965 | 12 |
| 1966 | 34 |
| 1967 | 28 |
| 1968 | 15 |
| 1969 | 32 |
| 1970 | 20 |
| 1971 | 16 |
| 1972 | 31 |
| 1973 | 33 |
| 1974 | 35 |
| 1975 | 28 |
| 1976 | 34 |
| 1977 | 42 |
| 1978 | 37 |
| 1979 | 48 |
| 1980 | 35 |
| 1981 | 39 |
| 1982 | 56 |
| 1983 | 58 |
| 1984 | 57 |
| 1985 | 48 |
| 1986 | 53 |
| 1987 | 67 |
| 1988 | 54 |
| 1989 | 53 |
| 1990 | 53 |
| 1991 | 56 |
| 1992 | 56 |
| 1993 | 68 |
| 1994 | 68 |
| 1995 | 75 |
| 1996 | 64 |
| 1997 | 67 |
| 1998 | 86 |
| 1999 | 89 |
| 2000 | 84 |
| 2001 | 63 |
| 2002 | 72 |
| 2003 | 89 |
| 2004 | 74 |
| 2005 | 90 |
| 2006 | 82 |
| 2007 | 86 |
| 2008 | 82 |
| 2009 | 86 |
| 2010 | 116 |
| 2011 | 134 |
| 2012 | 200 |
| 2013 | 211 |
| 2014 | 214 |
| 2015 | 217 |
| 2016 | 211 |
| 2017 | 187 |
| 2018 | 171 |
| 2019 | 167 |
| 2020 | 165 |
| 2021 | 198 |
| 2022 | 176 |
| 2023 | 183 |
| 2024 | 139 |