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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1799 | 2 |
| 1802 | 2 |
| 1807 | 1 |
| 1817 | 1 |
| 1818 | 2 |
| 1843 | 1 |
| 1847 | 1 |
| 1867 | 1 |
| 1868 | 1 |
| 1870 | 1 |
| 1875 | 2 |
| 1879 | 1 |
| 1881 | 2 |
| 1884 | 1 |
| 1885 | 1 |
| 1888 | 3 |
| 1889 | 3 |
| 1892 | 1 |
| 1893 | 1 |
| 1909 | 2 |
| 1910 | 2 |
| 1911 | 2 |
| 1913 | 2 |
| 1915 | 1 |
| 1916 | 1 |
| 1917 | 2 |
| 1918 | 2 |
| 1920 | 2 |
| 1923 | 1 |
| 1924 | 1 |
| 1925 | 2 |
| 1926 | 3 |
| 1928 | 4 |
| 1929 | 3 |
| 1930 | 2 |
| 1931 | 2 |
| 1932 | 1 |
| 1933 | 2 |
| 1934 | 1 |
| 1936 | 1 |
| 1937 | 3 |
| 1939 | 3 |
| 1941 | 3 |
| 1942 | 3 |
| 1943 | 1 |
| 1944 | 2 |
| 1945 | 4 |
| 1946 | 22 |
| 1947 | 16 |
| 1948 | 16 |
| 1949 | 22 |
| 1950 | 25 |
| 1951 | 17 |
| 1952 | 26 |
| 1953 | 30 |
| 1954 | 33 |
| 1955 | 25 |
| 1956 | 35 |
| 1957 | 43 |
| 1958 | 32 |
| 1959 | 48 |
| 1960 | 47 |
| 1961 | 44 |
| 1962 | 37 |
| 1963 | 38 |
| 1964 | 62 |
| 1965 | 49 |
| 1966 | 69 |
| 1967 | 75 |
| 1968 | 71 |
| 1969 | 73 |
| 1970 | 74 |
| 1971 | 75 |
| 1972 | 95 |
| 1973 | 96 |
| 1974 | 103 |
| 1975 | 106 |
| 1976 | 111 |
| 1977 | 115 |
| 1978 | 130 |
| 1979 | 160 |
| 1980 | 139 |
| 1981 | 142 |
| 1982 | 148 |
| 1983 | 162 |
| 1984 | 139 |
| 1985 | 155 |
| 1986 | 171 |
| 1987 | 174 |
| 1988 | 171 |
| 1989 | 162 |
| 1990 | 184 |
| 1991 | 172 |
| 1992 | 161 |
| 1993 | 179 |
| 1994 | 170 |
| 1995 | 175 |
| 1996 | 152 |
| 1997 | 164 |
| 1998 | 151 |
| 1999 | 164 |
| 2000 | 170 |
| 2001 | 203 |
| 2002 | 206 |
| 2003 | 211 |
| 2004 | 239 |
| 2005 | 268 |
| 2006 | 268 |
| 2007 | 320 |
| 2008 | 294 |
| 2009 | 287 |
| 2010 | 366 |
| 2011 | 398 |
| 2012 | 400 |
| 2013 | 447 |
| 2014 | 419 |
| 2015 | 472 |
| 2016 | 471 |
| 2017 | 471 |
| 2018 | 483 |
| 2019 | 537 |
| 2020 | 650 |
| 2021 | 674 |
| 2022 | 671 |
| 2023 | 603 |