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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1843 | 1 |
| 1862 | 1 |
| 1875 | 1 |
| 1878 | 1 |
| 1879 | 1 |
| 1880 | 1 |
| 1883 | 1 |
| 1886 | 2 |
| 1887 | 1 |
| 1891 | 2 |
| 1894 | 1 |
| 1897 | 1 |
| 1905 | 1 |
| 1906 | 1 |
| 1907 | 2 |
| 1908 | 1 |
| 1911 | 1 |
| 1912 | 2 |
| 1913 | 4 |
| 1914 | 2 |
| 1916 | 2 |
| 1917 | 1 |
| 1919 | 1 |
| 1920 | 1 |
| 1922 | 2 |
| 1923 | 3 |
| 1924 | 2 |
| 1925 | 2 |
| 1926 | 1 |
| 1927 | 1 |
| 1928 | 2 |
| 1929 | 2 |
| 1930 | 2 |
| 1931 | 1 |
| 1932 | 2 |
| 1933 | 1 |
| 1935 | 1 |
| 1936 | 2 |
| 1937 | 2 |
| 1938 | 1 |
| 1939 | 1 |
| 1940 | 1 |
| 1941 | 1 |
| 1943 | 3 |
| 1945 | 12 |
| 1946 | 34 |
| 1947 | 59 |
| 1948 | 74 |
| 1949 | 50 |
| 1950 | 56 |
| 1951 | 64 |
| 1952 | 74 |
| 1953 | 83 |
| 1954 | 97 |
| 1955 | 65 |
| 1956 | 89 |
| 1957 | 70 |
| 1958 | 71 |
| 1959 | 73 |
| 1960 | 81 |
| 1961 | 79 |
| 1962 | 80 |
| 1963 | 80 |
| 1964 | 93 |
| 1965 | 90 |
| 1966 | 91 |
| 1967 | 103 |
| 1968 | 116 |
| 1969 | 89 |
| 1970 | 105 |
| 1971 | 106 |
| 1972 | 81 |
| 1973 | 94 |
| 1974 | 100 |
| 1975 | 277 |
| 1976 | 295 |
| 1977 | 253 |
| 1978 | 306 |
| 1979 | 264 |
| 1980 | 258 |
| 1981 | 297 |
| 1982 | 266 |
| 1983 | 342 |
| 1984 | 370 |
| 1985 | 381 |
| 1986 | 361 |
| 1987 | 389 |
| 1988 | 415 |
| 1989 | 534 |
| 1990 | 546 |
| 1991 | 606 |
| 1992 | 560 |
| 1993 | 499 |
| 1994 | 487 |
| 1995 | 548 |
| 1996 | 587 |
| 1997 | 588 |
| 1998 | 555 |
| 1999 | 590 |
| 2000 | 739 |
| 2001 | 762 |
| 2002 | 820 |
| 2003 | 821 |
| 2004 | 809 |
| 2005 | 832 |
| 2006 | 897 |
| 2007 | 889 |
| 2008 | 937 |
| 2009 | 943 |
| 2010 | 970 |
| 2011 | 1041 |
| 2012 | 1034 |
| 2013 | 1038 |
| 2014 | 1142 |
| 2015 | 1059 |
| 2016 | 1060 |
| 2017 | 1147 |
| 2018 | 1104 |
| 2019 | 1128 |
| 2020 | 1245 |
| 2021 | 1395 |
| 2022 | 1398 |
| 2023 | 1388 |
| 2024 | 556 |