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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1811 | 1 |
| 1813 | 1 |
| 1825 | 6 |
| 1827 | 1 |
| 1833 | 1 |
| 1847 | 1 |
| 1849 | 1 |
| 1850 | 1 |
| 1852 | 2 |
| 1855 | 1 |
| 1856 | 3 |
| 1858 | 1 |
| 1864 | 1 |
| 1865 | 1 |
| 1868 | 1 |
| 1873 | 4 |
| 1878 | 1 |
| 1880 | 2 |
| 1886 | 1 |
| 1887 | 2 |
| 1888 | 1 |
| 1889 | 1 |
| 1890 | 2 |
| 1891 | 1 |
| 1892 | 1 |
| 1896 | 1 |
| 1897 | 1 |
| 1898 | 2 |
| 1905 | 1 |
| 1907 | 2 |
| 1910 | 2 |
| 1911 | 1 |
| 1912 | 2 |
| 1914 | 1 |
| 1916 | 1 |
| 1917 | 1 |
| 1918 | 1 |
| 1923 | 1 |
| 1929 | 2 |
| 1931 | 2 |
| 1932 | 1 |
| 1935 | 1 |
| 1938 | 1 |
| 1942 | 2 |
| 1943 | 2 |
| 1944 | 2 |
| 1945 | 4 |
| 1946 | 20 |
| 1947 | 34 |
| 1948 | 24 |
| 1949 | 16 |
| 1950 | 15 |
| 1951 | 13 |
| 1952 | 11 |
| 1953 | 17 |
| 1954 | 17 |
| 1955 | 12 |
| 1956 | 20 |
| 1957 | 11 |
| 1958 | 12 |
| 1959 | 13 |
| 1960 | 20 |
| 1961 | 22 |
| 1962 | 36 |
| 1963 | 30 |
| 1964 | 33 |
| 1965 | 45 |
| 1966 | 54 |
| 1967 | 64 |
| 1968 | 58 |
| 1969 | 78 |
| 1970 | 58 |
| 1971 | 72 |
| 1972 | 74 |
| 1973 | 72 |
| 1974 | 84 |
| 1975 | 91 |
| 1976 | 106 |
| 1977 | 76 |
| 1978 | 70 |
| 1979 | 100 |
| 1980 | 107 |
| 1981 | 112 |
| 1982 | 112 |
| 1983 | 114 |
| 1984 | 111 |
| 1985 | 125 |
| 1986 | 117 |
| 1987 | 131 |
| 1988 | 125 |
| 1989 | 146 |
| 1990 | 155 |
| 1991 | 157 |
| 1992 | 159 |
| 1993 | 181 |
| 1994 | 168 |
| 1995 | 205 |
| 1996 | 181 |
| 1997 | 182 |
| 1998 | 209 |
| 1999 | 218 |
| 2000 | 247 |
| 2001 | 238 |
| 2002 | 275 |
| 2003 | 283 |
| 2004 | 270 |
| 2005 | 308 |
| 2006 | 294 |
| 2007 | 320 |
| 2008 | 335 |
| 2009 | 342 |
| 2010 | 369 |
| 2011 | 432 |
| 2012 | 416 |
| 2013 | 470 |
| 2014 | 527 |
| 2015 | 521 |
| 2016 | 516 |
| 2017 | 524 |
| 2018 | 582 |
| 2019 | 565 |
| 2020 | 567 |
| 2021 | 640 |
| 2022 | 564 |
| 2023 | 147 |