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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1886 | 2 |
| 1892 | 1 |
| 1897 | 1 |
| 1898 | 1 |
| 1899 | 1 |
| 1904 | 1 |
| 1905 | 1 |
| 1911 | 1 |
| 1916 | 1 |
| 1917 | 1 |
| 1920 | 2 |
| 1922 | 1 |
| 1923 | 1 |
| 1925 | 60 |
| 1926 | 69 |
| 1927 | 104 |
| 1928 | 55 |
| 1929 | 124 |
| 1930 | 82 |
| 1931 | 63 |
| 1932 | 37 |
| 1933 | 95 |
| 1934 | 41 |
| 1935 | 35 |
| 1936 | 54 |
| 1937 | 47 |
| 1938 | 46 |
| 1939 | 25 |
| 1940 | 18 |
| 1941 | 1 |
| 1942 | 18 |
| 1943 | 9 |
| 1944 | 20 |
| 1945 | 3 |
| 1946 | 4 |
| 1947 | 14 |
| 1948 | 17 |
| 1949 | 32 |
| 1950 | 32 |
| 1951 | 38 |
| 1952 | 37 |
| 1953 | 34 |
| 1954 | 31 |
| 1955 | 45 |
| 1956 | 51 |
| 1957 | 48 |
| 1958 | 43 |
| 1959 | 34 |
| 1960 | 46 |
| 1961 | 40 |
| 1962 | 34 |
| 1963 | 35 |
| 1964 | 44 |
| 1965 | 47 |
| 1966 | 43 |
| 1967 | 83 |
| 1968 | 75 |
| 1969 | 92 |
| 1970 | 86 |
| 1971 | 107 |
| 1972 | 95 |
| 1973 | 105 |
| 1974 | 106 |
| 1975 | 54 |
| 1976 | 36 |
| 1977 | 68 |
| 1978 | 60 |
| 1979 | 73 |
| 1980 | 48 |
| 1981 | 44 |
| 1982 | 50 |
| 1983 | 39 |
| 1984 | 58 |
| 1985 | 54 |
| 1986 | 64 |
| 1987 | 217 |
| 1988 | 365 |
| 1989 | 373 |
| 1990 | 433 |
| 1991 | 363 |
| 1992 | 332 |
| 1993 | 332 |
| 1994 | 369 |
| 1995 | 455 |
| 1996 | 484 |
| 1997 | 486 |
| 1998 | 570 |
| 1999 | 528 |
| 2000 | 651 |
| 2001 | 667 |
| 2002 | 572 |
| 2003 | 543 |
| 2004 | 559 |
| 2005 | 638 |
| 2006 | 667 |
| 2007 | 707 |
| 2008 | 733 |
| 2009 | 767 |
| 2010 | 870 |
| 2011 | 934 |
| 2012 | 1004 |
| 2013 | 1107 |
| 2014 | 1344 |
| 2015 | 1403 |
| 2016 | 1579 |
| 2017 | 1645 |
| 2018 | 1680 |
| 2019 | 1716 |
| 2020 | 1795 |
| 2021 | 1930 |
| 2022 | 1802 |
| 2023 | 1605 |
| 2024 | 1493 |
| 2025 | 1235 |