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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1840 | 1 |
| 1856 | 1 |
| 1867 | 2 |
| 1868 | 2 |
| 1870 | 1 |
| 1872 | 3 |
| 1873 | 1 |
| 1874 | 2 |
| 1876 | 1 |
| 1879 | 3 |
| 1881 | 1 |
| 1882 | 1 |
| 1883 | 1 |
| 1885 | 4 |
| 1891 | 1 |
| 1892 | 1 |
| 1897 | 1 |
| 1904 | 1 |
| 1906 | 1 |
| 1932 | 1 |
| 1948 | 1 |
| 1950 | 3 |
| 1951 | 1 |
| 1954 | 3 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 1 |
| 1958 | 4 |
| 1959 | 6 |
| 1962 | 3 |
| 1963 | 4 |
| 1964 | 4 |
| 1965 | 13 |
| 1966 | 3 |
| 1967 | 6 |
| 1968 | 4 |
| 1969 | 4 |
| 1970 | 5 |
| 1971 | 3 |
| 1972 | 10 |
| 1973 | 12 |
| 1974 | 5 |
| 1975 | 6 |
| 1976 | 11 |
| 1977 | 9 |
| 1978 | 2 |
| 1979 | 12 |
| 1980 | 17 |
| 1981 | 25 |
| 1982 | 20 |
| 1983 | 16 |
| 1984 | 25 |
| 1985 | 15 |
| 1986 | 17 |
| 1987 | 12 |
| 1988 | 28 |
| 1989 | 30 |
| 1990 | 32 |
| 1991 | 41 |
| 1992 | 34 |
| 1993 | 36 |
| 1994 | 47 |
| 1995 | 42 |
| 1996 | 47 |
| 1997 | 32 |
| 1998 | 39 |
| 1999 | 42 |
| 2000 | 51 |
| 2001 | 51 |
| 2002 | 49 |
| 2003 | 47 |
| 2004 | 49 |
| 2005 | 54 |
| 2006 | 65 |
| 2007 | 69 |
| 2008 | 83 |
| 2009 | 90 |
| 2010 | 100 |
| 2011 | 86 |
| 2012 | 91 |
| 2013 | 81 |
| 2014 | 119 |
| 2015 | 138 |
| 2016 | 137 |
| 2017 | 132 |
| 2018 | 124 |
| 2019 | 160 |
| 2020 | 175 |
| 2021 | 183 |
| 2022 | 161 |
| 2023 | 155 |
| 2024 | 142 |
| 2025 | 183 |
| 2026 | 2 |