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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1812 | 1 |
| 1838 | 1 |
| 1840 | 1 |
| 1846 | 2 |
| 1847 | 1 |
| 1856 | 1 |
| 1860 | 2 |
| 1861 | 2 |
| 1862 | 1 |
| 1863 | 1 |
| 1865 | 1 |
| 1869 | 1 |
| 1871 | 1 |
| 1873 | 1 |
| 1874 | 2 |
| 1876 | 1 |
| 1878 | 3 |
| 1879 | 1 |
| 1882 | 1 |
| 1883 | 3 |
| 1885 | 2 |
| 1886 | 1 |
| 1887 | 1 |
| 1888 | 2 |
| 1889 | 1 |
| 1890 | 1 |
| 1892 | 1 |
| 1893 | 1 |
| 1894 | 2 |
| 1895 | 2 |
| 1896 | 1 |
| 1897 | 9 |
| 1898 | 3 |
| 1899 | 1 |
| 1900 | 3 |
| 1908 | 1 |
| 1912 | 1 |
| 1913 | 1 |
| 1917 | 1 |
| 1918 | 1 |
| 1925 | 1 |
| 1926 | 11 |
| 1927 | 11 |
| 1928 | 5 |
| 1929 | 13 |
| 1930 | 7 |
| 1931 | 11 |
| 1932 | 15 |
| 1933 | 11 |
| 1934 | 20 |
| 1935 | 17 |
| 1936 | 7 |
| 1938 | 1 |
| 1940 | 1 |
| 1942 | 2 |
| 1943 | 1 |
| 1948 | 1 |
| 1950 | 2 |
| 1951 | 10 |
| 1952 | 8 |
| 1953 | 2 |
| 1954 | 3 |
| 1955 | 1 |
| 1956 | 3 |
| 1957 | 1 |
| 1958 | 2 |
| 1959 | 4 |
| 1960 | 2 |
| 1961 | 7 |
| 1962 | 1 |
| 1963 | 2 |
| 1964 | 6 |
| 1965 | 2 |
| 1966 | 2 |
| 1967 | 14 |
| 1968 | 7 |
| 1969 | 15 |
| 1970 | 16 |
| 1971 | 31 |
| 1972 | 13 |
| 1973 | 17 |
| 1974 | 20 |
| 1975 | 64 |
| 1976 | 77 |
| 1977 | 37 |
| 1978 | 56 |
| 1979 | 59 |
| 1980 | 65 |
| 1981 | 56 |
| 1982 | 73 |
| 1983 | 89 |
| 1984 | 103 |
| 1985 | 103 |
| 1986 | 145 |
| 1987 | 545 |
| 1988 | 890 |
| 1989 | 937 |
| 1990 | 974 |
| 1991 | 1027 |
| 1992 | 1050 |
| 1993 | 1084 |
| 1994 | 1013 |
| 1995 | 1068 |
| 1996 | 1049 |
| 1997 | 1082 |
| 1998 | 1189 |
| 1999 | 1278 |
| 2000 | 1339 |
| 2001 | 1386 |
| 2002 | 1509 |
| 2003 | 1617 |
| 2004 | 2155 |
| 2005 | 2889 |
| 2006 | 5438 |
| 2007 | 6461 |
| 2008 | 7277 |
| 2009 | 8174 |
| 2010 | 9126 |
| 2011 | 10065 |
| 2012 | 10952 |
| 2013 | 12369 |
| 2014 | 13318 |
| 2015 | 14250 |
| 2016 | 14420 |
| 2017 | 14753 |
| 2018 | 15123 |
| 2019 | 16124 |
| 2020 | 18114 |
| 2021 | 19675 |
| 2022 | 17893 |
| 2023 | 13470 |
| 2024 | 3878 |