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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1800 | 1 |
| 1819 | 1 |
| 1822 | 2 |
| 1823 | 3 |
| 1824 | 1 |
| 1825 | 1 |
| 1826 | 2 |
| 1827 | 2 |
| 1882 | 1 |
| 1883 | 1 |
| 1884 | 1 |
| 1885 | 1 |
| 1892 | 1 |
| 1893 | 2 |
| 1895 | 1 |
| 1896 | 1 |
| 1897 | 2 |
| 1899 | 1 |
| 1901 | 2 |
| 1913 | 1 |
| 1914 | 1 |
| 1917 | 1 |
| 1923 | 2 |
| 1926 | 1 |
| 1927 | 1 |
| 1928 | 1 |
| 1929 | 2 |
| 1930 | 1 |
| 1936 | 1 |
| 1937 | 2 |
| 1939 | 2 |
| 1940 | 1 |
| 1942 | 1 |
| 1943 | 1 |
| 1946 | 8 |
| 1947 | 7 |
| 1948 | 3 |
| 1949 | 12 |
| 1950 | 12 |
| 1951 | 6 |
| 1952 | 4 |
| 1953 | 6 |
| 1954 | 10 |
| 1955 | 15 |
| 1956 | 12 |
| 1957 | 18 |
| 1958 | 14 |
| 1959 | 9 |
| 1960 | 12 |
| 1961 | 5 |
| 1962 | 9 |
| 1963 | 20 |
| 1964 | 12 |
| 1965 | 30 |
| 1966 | 24 |
| 1967 | 11 |
| 1968 | 23 |
| 1969 | 28 |
| 1970 | 26 |
| 1971 | 26 |
| 1972 | 31 |
| 1973 | 31 |
| 1974 | 28 |
| 1975 | 32 |
| 1976 | 24 |
| 1977 | 45 |
| 1978 | 39 |
| 1979 | 35 |
| 1980 | 42 |
| 1981 | 47 |
| 1982 | 51 |
| 1983 | 43 |
| 1984 | 49 |
| 1985 | 42 |
| 1986 | 49 |
| 1987 | 60 |
| 1988 | 77 |
| 1989 | 63 |
| 1990 | 53 |
| 1991 | 72 |
| 1992 | 47 |
| 1993 | 44 |
| 1994 | 37 |
| 1995 | 37 |
| 1996 | 51 |
| 1997 | 62 |
| 1998 | 40 |
| 1999 | 65 |
| 2000 | 73 |
| 2001 | 86 |
| 2002 | 84 |
| 2003 | 105 |
| 2004 | 100 |
| 2005 | 111 |
| 2006 | 137 |
| 2007 | 158 |
| 2008 | 143 |
| 2009 | 134 |
| 2010 | 151 |
| 2011 | 184 |
| 2012 | 212 |
| 2013 | 196 |
| 2014 | 197 |
| 2015 | 230 |
| 2016 | 180 |
| 2017 | 236 |
| 2018 | 229 |
| 2019 | 259 |
| 2020 | 311 |
| 2021 | 331 |
| 2022 | 275 |