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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1803 | 1 |
| 1804 | 1 |
| 1813 | 1 |
| 1818 | 1 |
| 1821 | 1 |
| 1873 | 3 |
| 1874 | 3 |
| 1876 | 2 |
| 1877 | 1 |
| 1878 | 1 |
| 1882 | 2 |
| 1883 | 3 |
| 1884 | 3 |
| 1885 | 1 |
| 1886 | 4 |
| 1888 | 5 |
| 1890 | 1 |
| 1892 | 2 |
| 1893 | 1 |
| 1894 | 2 |
| 1895 | 1 |
| 1896 | 3 |
| 1897 | 1 |
| 1898 | 2 |
| 1899 | 1 |
| 1900 | 3 |
| 1901 | 1 |
| 1902 | 1 |
| 1903 | 1 |
| 1904 | 1 |
| 1905 | 2 |
| 1906 | 1 |
| 1911 | 3 |
| 1912 | 3 |
| 1915 | 2 |
| 1917 | 1 |
| 1918 | 1 |
| 1919 | 2 |
| 1920 | 2 |
| 1921 | 1 |
| 1922 | 2 |
| 1923 | 2 |
| 1924 | 3 |
| 1926 | 4 |
| 1927 | 7 |
| 1928 | 8 |
| 1929 | 1 |
| 1930 | 5 |
| 1932 | 4 |
| 1933 | 3 |
| 1934 | 2 |
| 1935 | 3 |
| 1936 | 2 |
| 1937 | 3 |
| 1938 | 3 |
| 1939 | 3 |
| 1940 | 4 |
| 1941 | 2 |
| 1944 | 2 |
| 1945 | 4 |
| 1946 | 22 |
| 1947 | 20 |
| 1948 | 28 |
| 1949 | 30 |
| 1950 | 26 |
| 1951 | 50 |
| 1952 | 22 |
| 1953 | 40 |
| 1954 | 33 |
| 1955 | 44 |
| 1956 | 60 |
| 1957 | 60 |
| 1958 | 61 |
| 1959 | 71 |
| 1960 | 58 |
| 1961 | 56 |
| 1962 | 65 |
| 1963 | 65 |
| 1964 | 101 |
| 1965 | 96 |
| 1966 | 110 |
| 1967 | 119 |
| 1968 | 143 |
| 1969 | 142 |
| 1970 | 174 |
| 1971 | 176 |
| 1972 | 207 |
| 1973 | 212 |
| 1974 | 229 |
| 1975 | 208 |
| 1976 | 231 |
| 1977 | 255 |
| 1978 | 256 |
| 1979 | 325 |
| 1980 | 306 |
| 1981 | 325 |
| 1982 | 339 |
| 1983 | 312 |
| 1984 | 344 |
| 1985 | 379 |
| 1986 | 364 |
| 1987 | 355 |
| 1988 | 311 |
| 1989 | 308 |
| 1990 | 320 |
| 1991 | 325 |
| 1992 | 345 |
| 1993 | 365 |
| 1994 | 360 |
| 1995 | 358 |
| 1996 | 341 |
| 1997 | 330 |
| 1998 | 343 |
| 1999 | 366 |
| 2000 | 436 |
| 2001 | 394 |
| 2002 | 363 |
| 2003 | 376 |
| 2004 | 414 |
| 2005 | 461 |
| 2006 | 476 |
| 2007 | 528 |
| 2008 | 602 |
| 2009 | 598 |
| 2010 | 580 |
| 2011 | 616 |
| 2012 | 634 |
| 2013 | 684 |
| 2014 | 683 |
| 2015 | 680 |
| 2016 | 752 |
| 2017 | 691 |
| 2018 | 698 |
| 2019 | 659 |
| 2020 | 758 |
| 2021 | 1012 |
| 2022 | 771 |
| 2023 | 7 |