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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1854 | 1 |
| 1857 | 1 |
| 1858 | 3 |
| 1864 | 4 |
| 1865 | 3 |
| 1866 | 1 |
| 1867 | 1 |
| 1875 | 1 |
| 1898 | 1 |
| 1903 | 1 |
| 1904 | 1 |
| 1910 | 1 |
| 1931 | 1 |
| 1937 | 1 |
| 1939 | 1 |
| 1945 | 2 |
| 1946 | 6 |
| 1947 | 5 |
| 1948 | 2 |
| 1949 | 2 |
| 1950 | 5 |
| 1951 | 4 |
| 1952 | 4 |
| 1953 | 8 |
| 1954 | 3 |
| 1955 | 8 |
| 1956 | 6 |
| 1957 | 6 |
| 1958 | 6 |
| 1959 | 8 |
| 1960 | 7 |
| 1961 | 9 |
| 1962 | 11 |
| 1963 | 17 |
| 1964 | 28 |
| 1965 | 15 |
| 1966 | 16 |
| 1967 | 21 |
| 1968 | 29 |
| 1969 | 15 |
| 1970 | 25 |
| 1971 | 27 |
| 1972 | 32 |
| 1973 | 38 |
| 1974 | 33 |
| 1975 | 32 |
| 1976 | 43 |
| 1977 | 43 |
| 1978 | 34 |
| 1979 | 27 |
| 1980 | 51 |
| 1981 | 40 |
| 1982 | 45 |
| 1983 | 58 |
| 1984 | 57 |
| 1985 | 52 |
| 1986 | 75 |
| 1987 | 72 |
| 1988 | 80 |
| 1989 | 68 |
| 1990 | 65 |
| 1991 | 79 |
| 1992 | 73 |
| 1993 | 67 |
| 1994 | 68 |
| 1995 | 79 |
| 1996 | 83 |
| 1997 | 93 |
| 1998 | 74 |
| 1999 | 75 |
| 2000 | 89 |
| 2001 | 127 |
| 2002 | 143 |
| 2003 | 140 |
| 2004 | 139 |
| 2005 | 147 |
| 2006 | 175 |
| 2007 | 194 |
| 2008 | 118 |
| 2009 | 150 |
| 2010 | 168 |
| 2011 | 162 |
| 2012 | 155 |
| 2013 | 162 |
| 2014 | 155 |
| 2015 | 162 |
| 2016 | 116 |
| 2017 | 126 |
| 2018 | 165 |
| 2019 | 154 |
| 2020 | 173 |
| 2021 | 174 |
| 2022 | 206 |
| 2023 | 162 |
| 2024 | 170 |
| 2025 | 153 |