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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1830 | 1 |
| 1888 | 1 |
| 1911 | 1 |
| 1922 | 1 |
| 1940 | 1 |
| 1945 | 1 |
| 1946 | 3 |
| 1947 | 7 |
| 1948 | 4 |
| 1950 | 2 |
| 1951 | 1 |
| 1952 | 5 |
| 1953 | 2 |
| 1954 | 6 |
| 1955 | 6 |
| 1956 | 4 |
| 1957 | 2 |
| 1958 | 4 |
| 1959 | 4 |
| 1960 | 3 |
| 1961 | 3 |
| 1962 | 5 |
| 1963 | 3 |
| 1964 | 5 |
| 1965 | 11 |
| 1966 | 23 |
| 1967 | 20 |
| 1968 | 20 |
| 1969 | 24 |
| 1970 | 31 |
| 1971 | 35 |
| 1972 | 28 |
| 1973 | 29 |
| 1974 | 20 |
| 1975 | 88 |
| 1976 | 51 |
| 1977 | 50 |
| 1978 | 47 |
| 1979 | 70 |
| 1980 | 58 |
| 1981 | 73 |
| 1982 | 63 |
| 1983 | 54 |
| 1984 | 73 |
| 1985 | 76 |
| 1986 | 89 |
| 1987 | 73 |
| 1988 | 73 |
| 1989 | 79 |
| 1990 | 76 |
| 1991 | 67 |
| 1992 | 89 |
| 1993 | 88 |
| 1994 | 84 |
| 1995 | 84 |
| 1996 | 91 |
| 1997 | 93 |
| 1998 | 97 |
| 1999 | 84 |
| 2000 | 100 |
| 2001 | 82 |
| 2002 | 98 |
| 2003 | 100 |
| 2004 | 100 |
| 2005 | 118 |
| 2006 | 136 |
| 2007 | 135 |
| 2008 | 137 |
| 2009 | 140 |
| 2010 | 169 |
| 2011 | 178 |
| 2012 | 185 |
| 2013 | 177 |
| 2014 | 178 |
| 2015 | 157 |
| 2016 | 170 |
| 2017 | 188 |
| 2018 | 160 |
| 2019 | 206 |
| 2020 | 198 |
| 2021 | 213 |
| 2022 | 189 |
| 2023 | 194 |
| 2024 | 82 |