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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1845 | 1 |
| 1880 | 1 |
| 1881 | 2 |
| 1882 | 1 |
| 1883 | 1 |
| 1914 | 1 |
| 1927 | 2 |
| 1938 | 1 |
| 1939 | 1 |
| 1944 | 1 |
| 1945 | 4 |
| 1946 | 12 |
| 1947 | 10 |
| 1948 | 9 |
| 1949 | 12 |
| 1950 | 7 |
| 1951 | 16 |
| 1952 | 11 |
| 1953 | 11 |
| 1954 | 17 |
| 1955 | 24 |
| 1956 | 17 |
| 1957 | 14 |
| 1958 | 21 |
| 1959 | 35 |
| 1960 | 40 |
| 1961 | 16 |
| 1962 | 25 |
| 1963 | 33 |
| 1964 | 36 |
| 1965 | 36 |
| 1966 | 39 |
| 1967 | 38 |
| 1968 | 46 |
| 1969 | 23 |
| 1970 | 45 |
| 1971 | 36 |
| 1972 | 38 |
| 1973 | 42 |
| 1974 | 49 |
| 1975 | 38 |
| 1976 | 49 |
| 1977 | 46 |
| 1978 | 45 |
| 1979 | 63 |
| 1980 | 64 |
| 1981 | 58 |
| 1982 | 75 |
| 1983 | 67 |
| 1984 | 65 |
| 1985 | 56 |
| 1986 | 65 |
| 1987 | 68 |
| 1988 | 64 |
| 1989 | 96 |
| 1990 | 80 |
| 1991 | 81 |
| 1992 | 63 |
| 1993 | 74 |
| 1994 | 71 |
| 1995 | 76 |
| 1996 | 69 |
| 1997 | 74 |
| 1998 | 71 |
| 1999 | 72 |
| 2000 | 65 |
| 2001 | 69 |
| 2002 | 87 |
| 2003 | 93 |
| 2004 | 135 |
| 2005 | 140 |
| 2006 | 141 |
| 2007 | 159 |
| 2008 | 143 |
| 2009 | 135 |
| 2010 | 119 |
| 2011 | 127 |
| 2012 | 135 |
| 2013 | 116 |
| 2014 | 124 |
| 2015 | 120 |
| 2016 | 118 |
| 2017 | 107 |
| 2018 | 122 |
| 2019 | 136 |
| 2020 | 140 |
| 2021 | 132 |
| 2022 | 109 |
| 2023 | 121 |
| 2024 | 41 |