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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1816 | 1 |
| 1839 | 1 |
| 1842 | 1 |
| 1844 | 1 |
| 1846 | 2 |
| 1851 | 1 |
| 1852 | 1 |
| 1853 | 1 |
| 1856 | 1 |
| 1881 | 1 |
| 1884 | 2 |
| 1888 | 2 |
| 1891 | 1 |
| 1893 | 1 |
| 1895 | 1 |
| 1896 | 2 |
| 1899 | 1 |
| 1901 | 2 |
| 1903 | 2 |
| 1904 | 1 |
| 1905 | 2 |
| 1906 | 3 |
| 1907 | 1 |
| 1909 | 1 |
| 1910 | 2 |
| 1911 | 2 |
| 1912 | 2 |
| 1913 | 4 |
| 1914 | 4 |
| 1915 | 5 |
| 1916 | 3 |
| 1917 | 5 |
| 1918 | 4 |
| 1919 | 3 |
| 1920 | 3 |
| 1921 | 7 |
| 1922 | 3 |
| 1923 | 5 |
| 1924 | 2 |
| 1925 | 4 |
| 1926 | 3 |
| 1927 | 4 |
| 1928 | 3 |
| 1929 | 4 |
| 1930 | 4 |
| 1931 | 3 |
| 1932 | 1 |
| 1933 | 3 |
| 1934 | 6 |
| 1935 | 2 |
| 1937 | 3 |
| 1938 | 5 |
| 1939 | 1 |
| 1941 | 4 |
| 1942 | 5 |
| 1943 | 2 |
| 1944 | 3 |
| 1945 | 2 |
| 1946 | 8 |
| 1947 | 7 |
| 1948 | 2 |
| 1949 | 12 |
| 1950 | 2 |
| 1951 | 7 |
| 1952 | 7 |
| 1953 | 7 |
| 1954 | 13 |
| 1955 | 14 |
| 1956 | 5 |
| 1957 | 14 |
| 1958 | 12 |
| 1959 | 12 |
| 1960 | 17 |
| 1961 | 16 |
| 1962 | 31 |
| 1963 | 28 |
| 1964 | 37 |
| 1965 | 35 |
| 1966 | 52 |
| 1967 | 73 |
| 1968 | 84 |
| 1969 | 86 |
| 1970 | 112 |
| 1971 | 97 |
| 1972 | 105 |
| 1973 | 131 |
| 1974 | 131 |
| 1975 | 749 |
| 1976 | 890 |
| 1977 | 836 |
| 1978 | 783 |
| 1979 | 944 |
| 1980 | 1064 |
| 1981 | 1159 |
| 1982 | 1209 |
| 1983 | 1511 |
| 1984 | 1723 |
| 1985 | 1836 |
| 1986 | 1971 |
| 1987 | 2140 |
| 1988 | 2250 |
| 1989 | 2811 |
| 1990 | 2809 |
| 1991 | 3154 |
| 1992 | 3212 |
| 1993 | 3834 |
| 1994 | 3503 |
| 1995 | 3813 |
| 1996 | 3932 |
| 1997 | 4086 |
| 1998 | 4444 |
| 1999 | 4582 |
| 2000 | 4995 |
| 2001 | 5231 |
| 2002 | 5480 |
| 2003 | 5841 |
| 2004 | 6320 |
| 2005 | 6930 |
| 2006 | 7572 |
| 2007 | 7839 |
| 2008 | 8386 |
| 2009 | 8760 |
| 2010 | 9364 |
| 2011 | 10060 |
| 2012 | 11089 |
| 2013 | 11411 |
| 2014 | 12162 |
| 2015 | 12738 |
| 2016 | 12826 |
| 2017 | 12963 |
| 2018 | 13456 |
| 2019 | 13927 |
| 2020 | 16021 |
| 2021 | 17017 |
| 2022 | 16665 |
| 2023 | 15823 |
| 2024 | 5881 |