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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1871 | 1 |
| 1873 | 1 |
| 1874 | 1 |
| 1876 | 3 |
| 1877 | 2 |
| 1878 | 1 |
| 1883 | 1 |
| 1887 | 2 |
| 1913 | 2 |
| 1927 | 1 |
| 1932 | 1 |
| 1945 | 2 |
| 1946 | 8 |
| 1947 | 10 |
| 1948 | 5 |
| 1949 | 7 |
| 1950 | 8 |
| 1951 | 8 |
| 1952 | 13 |
| 1953 | 10 |
| 1954 | 9 |
| 1955 | 17 |
| 1956 | 17 |
| 1957 | 22 |
| 1958 | 20 |
| 1959 | 17 |
| 1960 | 10 |
| 1961 | 20 |
| 1962 | 17 |
| 1963 | 15 |
| 1964 | 20 |
| 1965 | 16 |
| 1966 | 15 |
| 1967 | 20 |
| 1968 | 26 |
| 1969 | 39 |
| 1970 | 34 |
| 1971 | 26 |
| 1972 | 19 |
| 1973 | 32 |
| 1974 | 40 |
| 1975 | 45 |
| 1976 | 36 |
| 1977 | 33 |
| 1978 | 24 |
| 1979 | 27 |
| 1980 | 35 |
| 1981 | 32 |
| 1982 | 48 |
| 1983 | 36 |
| 1984 | 52 |
| 1985 | 49 |
| 1986 | 62 |
| 1987 | 58 |
| 1988 | 73 |
| 1989 | 77 |
| 1990 | 91 |
| 1991 | 75 |
| 1992 | 97 |
| 1993 | 96 |
| 1994 | 123 |
| 1995 | 105 |
| 1996 | 91 |
| 1997 | 112 |
| 1998 | 100 |
| 1999 | 94 |
| 2000 | 111 |
| 2001 | 140 |
| 2002 | 89 |
| 2003 | 105 |
| 2004 | 137 |
| 2005 | 127 |
| 2006 | 155 |
| 2007 | 152 |
| 2008 | 159 |
| 2009 | 183 |
| 2010 | 187 |
| 2011 | 163 |
| 2012 | 183 |
| 2013 | 174 |
| 2014 | 182 |
| 2015 | 184 |
| 2016 | 174 |
| 2017 | 152 |
| 2018 | 160 |
| 2019 | 162 |
| 2020 | 233 |
| 2021 | 237 |
| 2022 | 199 |
| 2023 | 16 |