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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1804 | 1 |
| 1805 | 1 |
| 1808 | 1 |
| 1821 | 2 |
| 1824 | 1 |
| 1845 | 3 |
| 1846 | 1 |
| 1848 | 1 |
| 1849 | 2 |
| 1850 | 2 |
| 1851 | 4 |
| 1852 | 1 |
| 1853 | 1 |
| 1854 | 1 |
| 1855 | 1 |
| 1856 | 3 |
| 1858 | 1 |
| 1859 | 1 |
| 1861 | 1 |
| 1862 | 1 |
| 1863 | 2 |
| 1871 | 1 |
| 1872 | 1 |
| 1873 | 1 |
| 1879 | 1 |
| 1880 | 1 |
| 1882 | 3 |
| 1884 | 1 |
| 1887 | 1 |
| 1889 | 3 |
| 1890 | 3 |
| 1891 | 5 |
| 1892 | 1 |
| 1893 | 3 |
| 1894 | 3 |
| 1895 | 7 |
| 1896 | 3 |
| 1897 | 3 |
| 1899 | 1 |
| 1901 | 1 |
| 1902 | 1 |
| 1904 | 1 |
| 1905 | 1 |
| 1906 | 2 |
| 1910 | 1 |
| 1911 | 1 |
| 1917 | 1 |
| 1918 | 2 |
| 1920 | 1 |
| 1921 | 1 |
| 1924 | 1 |
| 1926 | 1 |
| 1927 | 2 |
| 1928 | 2 |
| 1929 | 4 |
| 1932 | 1 |
| 1933 | 1 |
| 1935 | 1 |
| 1938 | 2 |
| 1939 | 1 |
| 1940 | 2 |
| 1942 | 2 |
| 1943 | 2 |
| 1944 | 3 |
| 1945 | 7 |
| 1946 | 17 |
| 1947 | 14 |
| 1948 | 21 |
| 1949 | 9 |
| 1950 | 23 |
| 1951 | 31 |
| 1952 | 24 |
| 1953 | 23 |
| 1954 | 19 |
| 1955 | 15 |
| 1956 | 15 |
| 1957 | 18 |
| 1958 | 12 |
| 1959 | 30 |
| 1960 | 27 |
| 1961 | 21 |
| 1962 | 26 |
| 1963 | 27 |
| 1964 | 30 |
| 1965 | 30 |
| 1966 | 30 |
| 1967 | 29 |
| 1968 | 49 |
| 1969 | 38 |
| 1970 | 51 |
| 1971 | 45 |
| 1972 | 42 |
| 1973 | 62 |
| 1974 | 58 |
| 1975 | 59 |
| 1976 | 70 |
| 1977 | 68 |
| 1978 | 103 |
| 1979 | 85 |
| 1980 | 102 |
| 1981 | 92 |
| 1982 | 116 |
| 1983 | 114 |
| 1984 | 91 |
| 1985 | 121 |
| 1986 | 125 |
| 1987 | 127 |
| 1988 | 107 |
| 1989 | 125 |
| 1990 | 130 |
| 1991 | 128 |
| 1992 | 138 |
| 1993 | 151 |
| 1994 | 169 |
| 1995 | 134 |
| 1996 | 125 |
| 1997 | 129 |
| 1998 | 134 |
| 1999 | 128 |
| 2000 | 183 |
| 2001 | 169 |
| 2002 | 161 |
| 2003 | 173 |
| 2004 | 184 |
| 2005 | 197 |
| 2006 | 210 |
| 2007 | 215 |
| 2008 | 243 |
| 2009 | 281 |
| 2010 | 258 |
| 2011 | 291 |
| 2012 | 337 |
| 2013 | 321 |
| 2014 | 363 |
| 2015 | 361 |
| 2016 | 371 |
| 2017 | 345 |
| 2018 | 386 |
| 2019 | 426 |
| 2020 | 458 |
| 2021 | 472 |
| 2022 | 402 |
| 2023 | 5 |