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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1801 | 2 |
| 1802 | 1 |
| 1803 | 1 |
| 1804 | 3 |
| 1805 | 4 |
| 1806 | 3 |
| 1810 | 1 |
| 1812 | 1 |
| 1813 | 1 |
| 1814 | 1 |
| 1815 | 2 |
| 1816 | 1 |
| 1819 | 1 |
| 1841 | 7 |
| 1842 | 3 |
| 1852 | 1 |
| 1855 | 1 |
| 1860 | 1 |
| 1861 | 1 |
| 1865 | 2 |
| 1868 | 1 |
| 1870 | 1 |
| 1872 | 1 |
| 1874 | 1 |
| 1878 | 1 |
| 1879 | 1 |
| 1880 | 2 |
| 1881 | 2 |
| 1882 | 5 |
| 1883 | 6 |
| 1884 | 1 |
| 1885 | 1 |
| 1887 | 1 |
| 1891 | 1 |
| 1894 | 2 |
| 1896 | 1 |
| 1898 | 2 |
| 1904 | 2 |
| 1906 | 1 |
| 1910 | 2 |
| 1913 | 1 |
| 1915 | 1 |
| 1916 | 2 |
| 1917 | 1 |
| 1918 | 3 |
| 1919 | 4 |
| 1920 | 1 |
| 1921 | 3 |
| 1922 | 3 |
| 1923 | 1 |
| 1925 | 3 |
| 1926 | 2 |
| 1927 | 2 |
| 1937 | 2 |
| 1939 | 1 |
| 1945 | 2 |
| 1946 | 8 |
| 1947 | 7 |
| 1948 | 15 |
| 1949 | 5 |
| 1950 | 8 |
| 1951 | 12 |
| 1952 | 13 |
| 1953 | 21 |
| 1954 | 23 |
| 1955 | 15 |
| 1956 | 19 |
| 1957 | 29 |
| 1958 | 19 |
| 1959 | 25 |
| 1960 | 21 |
| 1961 | 25 |
| 1962 | 30 |
| 1963 | 40 |
| 1964 | 40 |
| 1965 | 34 |
| 1966 | 42 |
| 1967 | 36 |
| 1968 | 56 |
| 1969 | 30 |
| 1970 | 33 |
| 1971 | 35 |
| 1972 | 35 |
| 1973 | 29 |
| 1974 | 37 |
| 1975 | 35 |
| 1976 | 33 |
| 1977 | 50 |
| 1978 | 46 |
| 1979 | 45 |
| 1980 | 54 |
| 1981 | 57 |
| 1982 | 58 |
| 1983 | 55 |
| 1984 | 64 |
| 1985 | 79 |
| 1986 | 63 |
| 1987 | 79 |
| 1988 | 64 |
| 1989 | 80 |
| 1990 | 74 |
| 1991 | 85 |
| 1992 | 82 |
| 1993 | 110 |
| 1994 | 71 |
| 1995 | 95 |
| 1996 | 90 |
| 1997 | 84 |
| 1998 | 82 |
| 1999 | 94 |
| 2000 | 115 |
| 2001 | 141 |
| 2002 | 148 |
| 2003 | 147 |
| 2004 | 182 |
| 2005 | 174 |
| 2006 | 184 |
| 2007 | 185 |
| 2008 | 181 |
| 2009 | 183 |
| 2010 | 196 |
| 2011 | 219 |
| 2012 | 217 |
| 2013 | 214 |
| 2014 | 237 |
| 2015 | 309 |
| 2016 | 308 |
| 2017 | 276 |
| 2018 | 287 |
| 2019 | 317 |
| 2020 | 306 |
| 2021 | 322 |
| 2022 | 327 |
| 2023 | 147 |