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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1805 | 1 |
| 1860 | 1 |
| 1865 | 2 |
| 1866 | 2 |
| 1868 | 1 |
| 1869 | 1 |
| 1872 | 4 |
| 1875 | 3 |
| 1876 | 2 |
| 1877 | 1 |
| 1878 | 31 |
| 1879 | 20 |
| 1880 | 7 |
| 1881 | 6 |
| 1882 | 6 |
| 1883 | 10 |
| 1884 | 5 |
| 1886 | 1 |
| 1887 | 1 |
| 1889 | 1 |
| 1892 | 1 |
| 1893 | 3 |
| 1894 | 3 |
| 1895 | 2 |
| 1896 | 1 |
| 1897 | 1 |
| 1900 | 3 |
| 1901 | 1 |
| 1902 | 1 |
| 1903 | 1 |
| 1905 | 2 |
| 1908 | 1 |
| 1915 | 1 |
| 1954 | 4 |
| 1955 | 2 |
| 1956 | 1 |
| 1959 | 1 |
| 1961 | 1 |
| 1964 | 1 |
| 1965 | 4 |
| 1966 | 1 |
| 1967 | 2 |
| 1969 | 3 |
| 1970 | 2 |
| 1971 | 2 |
| 1972 | 3 |
| 1973 | 5 |
| 1974 | 8 |
| 1975 | 2 |
| 1976 | 6 |
| 1977 | 7 |
| 1978 | 6 |
| 1979 | 9 |
| 1980 | 6 |
| 1981 | 11 |
| 1982 | 18 |
| 1983 | 15 |
| 1984 | 18 |
| 1985 | 18 |
| 1986 | 17 |
| 1987 | 20 |
| 1988 | 16 |
| 1989 | 30 |
| 1990 | 28 |
| 1991 | 19 |
| 1992 | 18 |
| 1993 | 24 |
| 1994 | 32 |
| 1995 | 37 |
| 1996 | 25 |
| 1997 | 29 |
| 1998 | 37 |
| 1999 | 48 |
| 2000 | 57 |
| 2001 | 65 |
| 2002 | 50 |
| 2003 | 54 |
| 2004 | 61 |
| 2005 | 77 |
| 2006 | 74 |
| 2007 | 75 |
| 2008 | 77 |
| 2009 | 83 |
| 2010 | 73 |
| 2011 | 78 |
| 2012 | 89 |
| 2013 | 142 |
| 2014 | 126 |
| 2015 | 124 |
| 2016 | 130 |
| 2017 | 156 |
| 2018 | 172 |
| 2019 | 151 |
| 2020 | 169 |
| 2021 | 215 |
| 2022 | 220 |
| 2023 | 155 |