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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1839 | 1 |
| 1850 | 1 |
| 1853 | 2 |
| 1854 | 1 |
| 1857 | 2 |
| 1861 | 1 |
| 1864 | 1 |
| 1867 | 1 |
| 1868 | 1 |
| 1869 | 1 |
| 1872 | 3 |
| 1873 | 3 |
| 1875 | 9 |
| 1876 | 3 |
| 1877 | 2 |
| 1878 | 1 |
| 1879 | 1 |
| 1880 | 2 |
| 1881 | 2 |
| 1882 | 5 |
| 1883 | 3 |
| 1884 | 2 |
| 1885 | 7 |
| 1886 | 6 |
| 1887 | 4 |
| 1889 | 1 |
| 1891 | 4 |
| 1893 | 1 |
| 1894 | 7 |
| 1895 | 7 |
| 1896 | 5 |
| 1897 | 6 |
| 1899 | 1 |
| 1900 | 1 |
| 1901 | 2 |
| 1903 | 1 |
| 1905 | 1 |
| 1906 | 2 |
| 1907 | 2 |
| 1908 | 2 |
| 1910 | 1 |
| 1925 | 1 |
| 1937 | 2 |
| 1938 | 1 |
| 1939 | 1 |
| 1945 | 2 |
| 1948 | 1 |
| 1950 | 1 |
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 2 |
| 1954 | 2 |
| 1956 | 1 |
| 1960 | 1 |
| 1961 | 3 |
| 1963 | 1 |
| 1964 | 2 |
| 1966 | 1 |
| 1967 | 3 |
| 1968 | 4 |
| 1969 | 1 |
| 1970 | 4 |
| 1971 | 1 |
| 1972 | 3 |
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 1 |
| 1976 | 6 |
| 1977 | 2 |
| 1978 | 4 |
| 1979 | 6 |
| 1980 | 5 |
| 1981 | 5 |
| 1982 | 6 |
| 1983 | 1 |
| 1984 | 8 |
| 1985 | 12 |
| 1986 | 16 |
| 1987 | 148 |
| 1988 | 326 |
| 1989 | 361 |
| 1990 | 425 |
| 1991 | 389 |
| 1992 | 399 |
| 1993 | 402 |
| 1994 | 368 |
| 1995 | 351 |
| 1996 | 346 |
| 1997 | 387 |
| 1998 | 356 |
| 1999 | 374 |
| 2000 | 355 |
| 2001 | 374 |
| 2002 | 363 |
| 2003 | 402 |
| 2004 | 411 |
| 2005 | 446 |
| 2006 | 477 |
| 2007 | 519 |
| 2008 | 516 |
| 2009 | 511 |
| 2010 | 524 |
| 2011 | 554 |
| 2012 | 521 |
| 2013 | 683 |
| 2014 | 1001 |
| 2015 | 1182 |
| 2016 | 1321 |
| 2017 | 1378 |
| 2018 | 1329 |
| 2019 | 1406 |
| 2020 | 1733 |
| 2021 | 1859 |
| 2022 | 1682 |
| 2023 | 1861 |
| 2024 | 971 |