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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 | 49 |
| 1952 | 22 |
| 1953 | 38 |
| 1954 | 33 |
| 1955 | 44 |
| 1956 | 60 |
| 1957 | 60 |
| 1958 | 61 |
| 1959 | 70 |
| 1960 | 57 |
| 1961 | 56 |
| 1962 | 65 |
| 1963 | 64 |
| 1964 | 101 |
| 1965 | 96 |
| 1966 | 109 |
| 1967 | 118 |
| 1968 | 143 |
| 1969 | 141 |
| 1970 | 174 |
| 1971 | 175 |
| 1972 | 206 |
| 1973 | 212 |
| 1974 | 229 |
| 1975 | 208 |
| 1976 | 231 |
| 1977 | 254 |
| 1978 | 255 |
| 1979 | 322 |
| 1980 | 302 |
| 1981 | 324 |
| 1982 | 338 |
| 1983 | 311 |
| 1984 | 342 |
| 1985 | 379 |
| 1986 | 363 |
| 1987 | 348 |
| 1988 | 308 |
| 1989 | 305 |
| 1990 | 317 |
| 1991 | 324 |
| 1992 | 343 |
| 1993 | 362 |
| 1994 | 357 |
| 1995 | 357 |
| 1996 | 339 |
| 1997 | 324 |
| 1998 | 339 |
| 1999 | 360 |
| 2000 | 432 |
| 2001 | 390 |
| 2002 | 361 |
| 2003 | 373 |
| 2004 | 411 |
| 2005 | 459 |
| 2006 | 472 |
| 2007 | 523 |
| 2008 | 554 |
| 2009 | 558 |
| 2010 | 546 |
| 2011 | 567 |
| 2012 | 587 |
| 2013 | 630 |
| 2014 | 637 |
| 2015 | 616 |
| 2016 | 723 |
| 2017 | 662 |
| 2018 | 659 |
| 2019 | 631 |
| 2020 | 710 |
| 2021 | 938 |
| 2022 | 762 |
| 2023 | 522 |