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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1786 | 1 |
| 1794 | 1 |
| 1815 | 1 |
| 1847 | 1 |
| 1854 | 1 |
| 1856 | 1 |
| 1860 | 1 |
| 1864 | 2 |
| 1869 | 1 |
| 1876 | 2 |
| 1883 | 1 |
| 1889 | 1 |
| 1902 | 1 |
| 1905 | 1 |
| 1906 | 1 |
| 1909 | 1 |
| 1910 | 1 |
| 1911 | 1 |
| 1912 | 1 |
| 1915 | 1 |
| 1920 | 1 |
| 1922 | 1 |
| 1930 | 1 |
| 1934 | 1 |
| 1942 | 1 |
| 1943 | 1 |
| 1945 | 4 |
| 1946 | 14 |
| 1947 | 10 |
| 1948 | 18 |
| 1949 | 18 |
| 1950 | 16 |
| 1951 | 21 |
| 1952 | 12 |
| 1953 | 17 |
| 1954 | 11 |
| 1955 | 13 |
| 1956 | 17 |
| 1957 | 9 |
| 1958 | 17 |
| 1959 | 17 |
| 1960 | 10 |
| 1961 | 11 |
| 1962 | 8 |
| 1963 | 12 |
| 1964 | 22 |
| 1965 | 9 |
| 1966 | 23 |
| 1967 | 26 |
| 1968 | 16 |
| 1969 | 33 |
| 1970 | 25 |
| 1971 | 26 |
| 1972 | 16 |
| 1973 | 34 |
| 1974 | 31 |
| 1975 | 42 |
| 1976 | 49 |
| 1977 | 47 |
| 1978 | 50 |
| 1979 | 61 |
| 1980 | 54 |
| 1981 | 60 |
| 1982 | 52 |
| 1983 | 43 |
| 1984 | 55 |
| 1985 | 59 |
| 1986 | 64 |
| 1987 | 73 |
| 1988 | 64 |
| 1989 | 65 |
| 1990 | 73 |
| 1991 | 69 |
| 1992 | 90 |
| 1993 | 83 |
| 1994 | 92 |
| 1995 | 103 |
| 1996 | 82 |
| 1997 | 74 |
| 1998 | 85 |
| 1999 | 73 |
| 2000 | 91 |
| 2001 | 100 |
| 2002 | 98 |
| 2003 | 108 |
| 2004 | 99 |
| 2005 | 99 |
| 2006 | 104 |
| 2007 | 95 |
| 2008 | 128 |
| 2009 | 110 |
| 2010 | 135 |
| 2011 | 131 |
| 2012 | 108 |
| 2013 | 130 |
| 2014 | 135 |
| 2015 | 131 |
| 2016 | 136 |
| 2017 | 160 |
| 2018 | 164 |
| 2019 | 174 |
| 2020 | 206 |
| 2021 | 180 |
| 2022 | 142 |
| 2023 | 20 |