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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1804 | 1 |
| 1830 | 1 |
| 1832 | 1 |
| 1833 | 1 |
| 1839 | 1 |
| 1841 | 1 |
| 1842 | 1 |
| 1846 | 1 |
| 1848 | 1 |
| 1849 | 1 |
| 1850 | 1 |
| 1851 | 3 |
| 1852 | 3 |
| 1853 | 2 |
| 1854 | 1 |
| 1855 | 2 |
| 1856 | 3 |
| 1857 | 4 |
| 1858 | 3 |
| 1859 | 3 |
| 1860 | 2 |
| 1864 | 1 |
| 1871 | 1 |
| 1873 | 2 |
| 1876 | 1 |
| 1877 | 1 |
| 1878 | 1 |
| 1879 | 1 |
| 1880 | 5 |
| 1881 | 1 |
| 1886 | 5 |
| 1887 | 6 |
| 1890 | 2 |
| 1892 | 2 |
| 1898 | 2 |
| 1899 | 1 |
| 1906 | 1 |
| 1907 | 1 |
| 1909 | 1 |
| 1917 | 2 |
| 1922 | 1 |
| 1928 | 1 |
| 1929 | 1 |
| 1931 | 2 |
| 1932 | 1 |
| 1933 | 1 |
| 1934 | 2 |
| 1935 | 4 |
| 1938 | 2 |
| 1939 | 1 |
| 1940 | 1 |
| 1945 | 1 |
| 1947 | 4 |
| 1948 | 1 |
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 2 |
| 1954 | 1 |
| 1955 | 3 |
| 1956 | 1 |
| 1959 | 2 |
| 1960 | 4 |
| 1961 | 6 |
| 1962 | 2 |
| 1964 | 9 |
| 1965 | 3 |
| 1966 | 4 |
| 1967 | 5 |
| 1968 | 5 |
| 1969 | 2 |
| 1970 | 7 |
| 1971 | 4 |
| 1972 | 8 |
| 1973 | 4 |
| 1974 | 5 |
| 1975 | 10 |
| 1976 | 8 |
| 1977 | 7 |
| 1978 | 6 |
| 1979 | 11 |
| 1980 | 23 |
| 1981 | 13 |
| 1982 | 13 |
| 1983 | 9 |
| 1984 | 12 |
| 1985 | 15 |
| 1986 | 15 |
| 1987 | 123 |
| 1988 | 376 |
| 1989 | 398 |
| 1990 | 426 |
| 1991 | 437 |
| 1992 | 433 |
| 1993 | 473 |
| 1994 | 537 |
| 1995 | 548 |
| 1996 | 590 |
| 1997 | 576 |
| 1998 | 614 |
| 1999 | 638 |
| 2000 | 664 |
| 2001 | 731 |
| 2002 | 731 |
| 2003 | 801 |
| 2004 | 819 |
| 2005 | 855 |
| 2006 | 939 |
| 2007 | 953 |
| 2008 | 1050 |
| 2009 | 981 |
| 2010 | 1176 |
| 2011 | 1164 |
| 2012 | 1237 |
| 2013 | 1363 |
| 2014 | 1988 |
| 2015 | 2457 |
| 2016 | 2803 |
| 2017 | 2821 |
| 2018 | 2823 |
| 2019 | 3048 |
| 2020 | 3237 |
| 2021 | 3386 |
| 2022 | 3325 |
| 2023 | 3208 |
| 2024 | 3404 |
| 2025 | 2753 |
| 2026 | 2 |