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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1838 | 1 |
| 1843 | 1 |
| 1852 | 1 |
| 1876 | 1 |
| 1877 | 3 |
| 1878 | 3 |
| 1879 | 1 |
| 1880 | 3 |
| 1881 | 9 |
| 1882 | 4 |
| 1883 | 2 |
| 1884 | 2 |
| 1885 | 3 |
| 1886 | 3 |
| 1887 | 1 |
| 1890 | 1 |
| 1893 | 5 |
| 1894 | 2 |
| 1895 | 3 |
| 1898 | 1 |
| 1899 | 1 |
| 1900 | 2 |
| 1901 | 3 |
| 1902 | 1 |
| 1904 | 1 |
| 1905 | 3 |
| 1907 | 4 |
| 1908 | 5 |
| 1909 | 6 |
| 1910 | 6 |
| 1911 | 2 |
| 1912 | 3 |
| 1913 | 2 |
| 1914 | 3 |
| 1916 | 3 |
| 1917 | 3 |
| 1918 | 1 |
| 1919 | 2 |
| 1920 | 2 |
| 1921 | 8 |
| 1922 | 6 |
| 1923 | 5 |
| 1924 | 6 |
| 1925 | 3 |
| 1926 | 3 |
| 1927 | 9 |
| 1928 | 4 |
| 1929 | 3 |
| 1930 | 4 |
| 1931 | 1 |
| 1932 | 4 |
| 1933 | 5 |
| 1934 | 3 |
| 1935 | 4 |
| 1936 | 1 |
| 1937 | 3 |
| 1938 | 3 |
| 1939 | 6 |
| 1940 | 6 |
| 1941 | 2 |
| 1942 | 3 |
| 1943 | 4 |
| 1944 | 6 |
| 1945 | 10 |
| 1946 | 39 |
| 1947 | 42 |
| 1948 | 54 |
| 1949 | 50 |
| 1950 | 47 |
| 1951 | 54 |
| 1952 | 57 |
| 1953 | 54 |
| 1954 | 45 |
| 1955 | 42 |
| 1956 | 41 |
| 1957 | 51 |
| 1958 | 32 |
| 1959 | 41 |
| 1960 | 51 |
| 1961 | 50 |
| 1962 | 35 |
| 1963 | 42 |
| 1964 | 58 |
| 1965 | 79 |
| 1966 | 72 |
| 1967 | 79 |
| 1968 | 83 |
| 1969 | 102 |
| 1970 | 104 |
| 1971 | 108 |
| 1972 | 97 |
| 1973 | 126 |
| 1974 | 100 |
| 1975 | 140 |
| 1976 | 141 |
| 1977 | 174 |
| 1978 | 156 |
| 1979 | 200 |
| 1980 | 201 |
| 1981 | 220 |
| 1982 | 218 |
| 1983 | 240 |
| 1984 | 235 |
| 1985 | 264 |
| 1986 | 314 |
| 1987 | 303 |
| 1988 | 343 |
| 1989 | 318 |
| 1990 | 347 |
| 1991 | 307 |
| 1992 | 353 |
| 1993 | 339 |
| 1994 | 324 |
| 1995 | 372 |
| 1996 | 383 |
| 1997 | 426 |
| 1998 | 445 |
| 1999 | 459 |
| 2000 | 479 |
| 2001 | 457 |
| 2002 | 468 |
| 2003 | 485 |
| 2004 | 533 |
| 2005 | 553 |
| 2006 | 604 |
| 2007 | 621 |
| 2008 | 646 |
| 2009 | 646 |
| 2010 | 733 |
| 2011 | 760 |
| 2012 | 770 |
| 2013 | 831 |
| 2014 | 833 |
| 2015 | 875 |
| 2016 | 923 |
| 2017 | 922 |
| 2018 | 914 |
| 2019 | 831 |
| 2020 | 962 |
| 2021 | 1077 |
| 2022 | 979 |
| 2023 | 977 |
| 2024 | 975 |
| 2025 | 574 |