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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1874 | 1 |
| 1924 | 2 |
| 1925 | 3 |
| 1926 | 1 |
| 1928 | 1 |
| 1929 | 1 |
| 1930 | 2 |
| 1932 | 1 |
| 1939 | 1 |
| 1941 | 1 |
| 1942 | 1 |
| 1945 | 1 |
| 1946 | 6 |
| 1947 | 8 |
| 1948 | 2 |
| 1949 | 1 |
| 1950 | 3 |
| 1951 | 7 |
| 1952 | 6 |
| 1953 | 6 |
| 1954 | 4 |
| 1955 | 8 |
| 1956 | 8 |
| 1957 | 14 |
| 1958 | 16 |
| 1959 | 12 |
| 1960 | 7 |
| 1961 | 16 |
| 1962 | 14 |
| 1963 | 12 |
| 1964 | 9 |
| 1965 | 12 |
| 1966 | 9 |
| 1967 | 7 |
| 1968 | 18 |
| 1969 | 21 |
| 1970 | 26 |
| 1971 | 16 |
| 1972 | 21 |
| 1973 | 21 |
| 1974 | 22 |
| 1975 | 21 |
| 1976 | 29 |
| 1977 | 32 |
| 1978 | 38 |
| 1979 | 24 |
| 1980 | 41 |
| 1981 | 49 |
| 1982 | 61 |
| 1983 | 66 |
| 1984 | 36 |
| 1985 | 60 |
| 1986 | 55 |
| 1987 | 78 |
| 1988 | 139 |
| 1989 | 105 |
| 1990 | 62 |
| 1991 | 69 |
| 1992 | 70 |
| 1993 | 87 |
| 1994 | 72 |
| 1995 | 84 |
| 1996 | 104 |
| 1997 | 80 |
| 1998 | 68 |
| 1999 | 84 |
| 2000 | 88 |
| 2001 | 95 |
| 2002 | 90 |
| 2003 | 87 |
| 2004 | 111 |
| 2005 | 107 |
| 2006 | 104 |
| 2007 | 122 |
| 2008 | 142 |
| 2009 | 146 |
| 2010 | 162 |
| 2011 | 175 |
| 2012 | 175 |
| 2013 | 166 |
| 2014 | 174 |
| 2015 | 192 |
| 2016 | 194 |
| 2017 | 196 |
| 2018 | 229 |
| 2019 | 231 |
| 2020 | 237 |
| 2021 | 293 |
| 2022 | 267 |
| 2023 | 229 |