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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1865 | 1 |
| 1884 | 1 |
| 1889 | 1 |
| 1902 | 1 |
| 1909 | 1 |
| 1911 | 1 |
| 1918 | 1 |
| 1921 | 1 |
| 1922 | 2 |
| 1923 | 1 |
| 1924 | 2 |
| 1926 | 1 |
| 1927 | 1 |
| 1928 | 2 |
| 1929 | 2 |
| 1934 | 1 |
| 1946 | 2 |
| 1947 | 3 |
| 1948 | 1 |
| 1949 | 2 |
| 1950 | 3 |
| 1951 | 3 |
| 1953 | 3 |
| 1954 | 6 |
| 1955 | 2 |
| 1956 | 3 |
| 1957 | 1 |
| 1958 | 7 |
| 1959 | 11 |
| 1960 | 1 |
| 1961 | 8 |
| 1962 | 5 |
| 1963 | 10 |
| 1964 | 17 |
| 1965 | 12 |
| 1966 | 8 |
| 1967 | 17 |
| 1968 | 14 |
| 1969 | 21 |
| 1970 | 20 |
| 1971 | 28 |
| 1972 | 25 |
| 1973 | 27 |
| 1974 | 18 |
| 1975 | 18 |
| 1976 | 29 |
| 1977 | 32 |
| 1978 | 43 |
| 1979 | 33 |
| 1980 | 34 |
| 1981 | 41 |
| 1982 | 45 |
| 1983 | 32 |
| 1984 | 51 |
| 1985 | 69 |
| 1986 | 45 |
| 1987 | 48 |
| 1988 | 49 |
| 1989 | 59 |
| 1990 | 51 |
| 1991 | 65 |
| 1992 | 72 |
| 1993 | 60 |
| 1994 | 54 |
| 1995 | 53 |
| 1996 | 60 |
| 1997 | 43 |
| 1998 | 61 |
| 1999 | 62 |
| 2000 | 60 |
| 2001 | 63 |
| 2002 | 71 |
| 2003 | 85 |
| 2004 | 89 |
| 2005 | 79 |
| 2006 | 98 |
| 2007 | 115 |
| 2008 | 156 |
| 2009 | 124 |
| 2010 | 113 |
| 2011 | 131 |
| 2012 | 117 |
| 2013 | 148 |
| 2014 | 152 |
| 2015 | 183 |
| 2016 | 183 |
| 2017 | 172 |
| 2018 | 180 |
| 2019 | 166 |
| 2020 | 186 |
| 2021 | 189 |
| 2022 | 186 |
| 2023 | 140 |