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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1786 | 1 |
| 1809 | 1 |
| 1816 | 1 |
| 1819 | 1 |
| 1832 | 1 |
| 1853 | 1 |
| 1857 | 6 |
| 1865 | 1 |
| 1868 | 3 |
| 1873 | 1 |
| 1875 | 1 |
| 1876 | 1 |
| 1880 | 1 |
| 1887 | 1 |
| 1890 | 4 |
| 1892 | 2 |
| 1893 | 1 |
| 1894 | 1 |
| 1896 | 1 |
| 1899 | 1 |
| 1901 | 1 |
| 1902 | 2 |
| 1903 | 2 |
| 1904 | 1 |
| 1908 | 1 |
| 1909 | 2 |
| 1911 | 1 |
| 1913 | 1 |
| 1915 | 1 |
| 1919 | 1 |
| 1925 | 1 |
| 1926 | 1 |
| 1928 | 1 |
| 1931 | 1 |
| 1932 | 1 |
| 1933 | 1 |
| 1934 | 1 |
| 1935 | 1 |
| 1936 | 1 |
| 1938 | 1 |
| 1939 | 1 |
| 1942 | 2 |
| 1946 | 9 |
| 1947 | 10 |
| 1948 | 7 |
| 1949 | 10 |
| 1950 | 9 |
| 1951 | 10 |
| 1952 | 7 |
| 1953 | 8 |
| 1954 | 13 |
| 1955 | 11 |
| 1956 | 12 |
| 1957 | 12 |
| 1958 | 11 |
| 1959 | 7 |
| 1960 | 14 |
| 1961 | 12 |
| 1962 | 19 |
| 1963 | 23 |
| 1964 | 17 |
| 1965 | 16 |
| 1966 | 24 |
| 1967 | 27 |
| 1968 | 32 |
| 1969 | 45 |
| 1970 | 45 |
| 1971 | 44 |
| 1972 | 35 |
| 1973 | 38 |
| 1974 | 45 |
| 1975 | 47 |
| 1976 | 51 |
| 1977 | 72 |
| 1978 | 63 |
| 1979 | 66 |
| 1980 | 69 |
| 1981 | 71 |
| 1982 | 76 |
| 1983 | 75 |
| 1984 | 84 |
| 1985 | 104 |
| 1986 | 99 |
| 1987 | 105 |
| 1988 | 120 |
| 1989 | 118 |
| 1990 | 164 |
| 1991 | 109 |
| 1992 | 124 |
| 1993 | 112 |
| 1994 | 115 |
| 1995 | 139 |
| 1996 | 156 |
| 1997 | 133 |
| 1998 | 115 |
| 1999 | 136 |
| 2000 | 166 |
| 2001 | 127 |
| 2002 | 171 |
| 2003 | 161 |
| 2004 | 185 |
| 2005 | 195 |
| 2006 | 186 |
| 2007 | 197 |
| 2008 | 230 |
| 2009 | 214 |
| 2010 | 225 |
| 2011 | 241 |
| 2012 | 249 |
| 2013 | 282 |
| 2014 | 318 |
| 2015 | 297 |
| 2016 | 296 |
| 2017 | 291 |
| 2018 | 297 |
| 2019 | 291 |
| 2020 | 319 |
| 2021 | 381 |
| 2022 | 320 |