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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1817 | 1 |
| 1827 | 2 |
| 1828 | 1 |
| 1831 | 1 |
| 1843 | 1 |
| 1883 | 2 |
| 1884 | 2 |
| 1885 | 4 |
| 1886 | 1 |
| 1887 | 5 |
| 1888 | 1 |
| 1889 | 1 |
| 1892 | 3 |
| 1893 | 2 |
| 1894 | 1 |
| 1895 | 2 |
| 1909 | 2 |
| 1915 | 3 |
| 1917 | 1 |
| 1918 | 2 |
| 1925 | 1 |
| 1929 | 1 |
| 1931 | 1 |
| 1934 | 1 |
| 1935 | 2 |
| 1945 | 4 |
| 1947 | 1 |
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 2 |
| 1951 | 6 |
| 1952 | 7 |
| 1953 | 4 |
| 1954 | 6 |
| 1955 | 4 |
| 1956 | 5 |
| 1957 | 8 |
| 1958 | 6 |
| 1959 | 7 |
| 1960 | 13 |
| 1961 | 11 |
| 1962 | 9 |
| 1963 | 11 |
| 1964 | 9 |
| 1965 | 10 |
| 1966 | 5 |
| 1967 | 8 |
| 1968 | 10 |
| 1969 | 11 |
| 1970 | 23 |
| 1971 | 25 |
| 1972 | 25 |
| 1973 | 14 |
| 1974 | 14 |
| 1975 | 30 |
| 1976 | 35 |
| 1977 | 17 |
| 1978 | 30 |
| 1979 | 27 |
| 1980 | 26 |
| 1981 | 27 |
| 1982 | 25 |
| 1983 | 28 |
| 1984 | 28 |
| 1985 | 39 |
| 1986 | 34 |
| 1987 | 30 |
| 1988 | 21 |
| 1989 | 29 |
| 1990 | 41 |
| 1991 | 22 |
| 1992 | 28 |
| 1993 | 26 |
| 1994 | 26 |
| 1995 | 88 |
| 1996 | 78 |
| 1997 | 69 |
| 1998 | 63 |
| 1999 | 68 |
| 2000 | 57 |
| 2001 | 81 |
| 2002 | 56 |
| 2003 | 66 |
| 2004 | 91 |
| 2005 | 78 |
| 2006 | 65 |
| 2007 | 55 |
| 2008 | 71 |
| 2009 | 100 |
| 2010 | 74 |
| 2011 | 110 |
| 2012 | 109 |
| 2013 | 107 |
| 2014 | 108 |
| 2015 | 129 |
| 2016 | 124 |
| 2017 | 128 |
| 2018 | 124 |
| 2019 | 126 |
| 2020 | 138 |
| 2021 | 162 |
| 2022 | 158 |
| 2023 | 41 |