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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1801 | 1 |
| 1812 | 1 |
| 1819 | 1 |
| 1823 | 2 |
| 1824 | 1 |
| 1842 | 3 |
| 1846 | 1 |
| 1849 | 1 |
| 1871 | 1 |
| 1877 | 1 |
| 1884 | 2 |
| 1887 | 1 |
| 1890 | 1 |
| 1892 | 1 |
| 1896 | 1 |
| 1897 | 2 |
| 1898 | 1 |
| 1899 | 1 |
| 1900 | 2 |
| 1901 | 1 |
| 1902 | 6 |
| 1903 | 3 |
| 1904 | 3 |
| 1906 | 1 |
| 1909 | 2 |
| 1910 | 3 |
| 1911 | 5 |
| 1912 | 4 |
| 1913 | 2 |
| 1914 | 1 |
| 1915 | 3 |
| 1916 | 4 |
| 1917 | 5 |
| 1918 | 3 |
| 1919 | 4 |
| 1920 | 2 |
| 1922 | 2 |
| 1923 | 1 |
| 1924 | 1 |
| 1925 | 2 |
| 1926 | 3 |
| 1927 | 5 |
| 1928 | 5 |
| 1931 | 3 |
| 1932 | 1 |
| 1933 | 2 |
| 1934 | 3 |
| 1939 | 2 |
| 1941 | 2 |
| 1943 | 1 |
| 1944 | 1 |
| 1945 | 18 |
| 1946 | 52 |
| 1947 | 44 |
| 1948 | 43 |
| 1949 | 26 |
| 1950 | 62 |
| 1951 | 57 |
| 1952 | 36 |
| 1953 | 44 |
| 1954 | 55 |
| 1955 | 59 |
| 1956 | 52 |
| 1957 | 47 |
| 1958 | 45 |
| 1959 | 47 |
| 1960 | 54 |
| 1961 | 47 |
| 1962 | 75 |
| 1963 | 65 |
| 1964 | 71 |
| 1965 | 88 |
| 1966 | 55 |
| 1967 | 68 |
| 1968 | 73 |
| 1969 | 65 |
| 1970 | 89 |
| 1971 | 80 |
| 1972 | 89 |
| 1973 | 77 |
| 1974 | 73 |
| 1975 | 96 |
| 1976 | 108 |
| 1977 | 104 |
| 1978 | 119 |
| 1979 | 140 |
| 1980 | 154 |
| 1981 | 153 |
| 1982 | 165 |
| 1983 | 152 |
| 1984 | 178 |
| 1985 | 196 |
| 1986 | 216 |
| 1987 | 355 |
| 1988 | 553 |
| 1989 | 576 |
| 1990 | 591 |
| 1991 | 646 |
| 1992 | 739 |
| 1993 | 774 |
| 1994 | 745 |
| 1995 | 754 |
| 1996 | 815 |
| 1997 | 878 |
| 1998 | 891 |
| 1999 | 898 |
| 2000 | 898 |
| 2001 | 941 |
| 2002 | 995 |
| 2003 | 1032 |
| 2004 | 1089 |
| 2005 | 1157 |
| 2006 | 1233 |
| 2007 | 1318 |
| 2008 | 1461 |
| 2009 | 1477 |
| 2010 | 1604 |
| 2011 | 1826 |
| 2012 | 1815 |
| 2013 | 2105 |
| 2014 | 2929 |
| 2015 | 3483 |
| 2016 | 3580 |
| 2017 | 3768 |
| 2018 | 4043 |
| 2019 | 4369 |
| 2020 | 4981 |
| 2021 | 5261 |
| 2022 | 4980 |
| 2023 | 3628 |