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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1871 | 1 |
| 1875 | 1 |
| 1882 | 1 |
| 1883 | 3 |
| 1891 | 2 |
| 1898 | 1 |
| 1899 | 1 |
| 1907 | 1 |
| 1911 | 1 |
| 1912 | 1 |
| 1913 | 4 |
| 1914 | 1 |
| 1915 | 1 |
| 1916 | 1 |
| 1917 | 1 |
| 1919 | 1 |
| 1920 | 2 |
| 1921 | 1 |
| 1923 | 1 |
| 1924 | 1 |
| 1926 | 1 |
| 1934 | 1 |
| 1940 | 1 |
| 1941 | 1 |
| 1942 | 1 |
| 1944 | 1 |
| 1945 | 1 |
| 1946 | 5 |
| 1947 | 10 |
| 1948 | 16 |
| 1949 | 12 |
| 1950 | 12 |
| 1951 | 11 |
| 1952 | 9 |
| 1953 | 21 |
| 1954 | 25 |
| 1955 | 24 |
| 1956 | 34 |
| 1957 | 36 |
| 1958 | 33 |
| 1959 | 61 |
| 1960 | 37 |
| 1961 | 35 |
| 1962 | 43 |
| 1963 | 50 |
| 1964 | 76 |
| 1965 | 80 |
| 1966 | 75 |
| 1967 | 96 |
| 1968 | 105 |
| 1969 | 99 |
| 1970 | 127 |
| 1971 | 141 |
| 1972 | 130 |
| 1973 | 153 |
| 1974 | 146 |
| 1975 | 253 |
| 1976 | 279 |
| 1977 | 279 |
| 1978 | 307 |
| 1979 | 356 |
| 1980 | 390 |
| 1981 | 340 |
| 1982 | 374 |
| 1983 | 422 |
| 1984 | 495 |
| 1985 | 493 |
| 1986 | 558 |
| 1987 | 592 |
| 1988 | 618 |
| 1989 | 767 |
| 1990 | 790 |
| 1991 | 847 |
| 1992 | 894 |
| 1993 | 934 |
| 1994 | 987 |
| 1995 | 1041 |
| 1996 | 1086 |
| 1997 | 1134 |
| 1998 | 1187 |
| 1999 | 1277 |
| 2000 | 1325 |
| 2001 | 1364 |
| 2002 | 1398 |
| 2003 | 1531 |
| 2004 | 1681 |
| 2005 | 1875 |
| 2006 | 1895 |
| 2007 | 2100 |
| 2008 | 2277 |
| 2009 | 2424 |
| 2010 | 2536 |
| 2011 | 2818 |
| 2012 | 3097 |
| 2013 | 3094 |
| 2014 | 3306 |
| 2015 | 3572 |
| 2016 | 3655 |
| 2017 | 3755 |
| 2018 | 3951 |
| 2019 | 4020 |
| 2020 | 4933 |
| 2021 | 5555 |
| 2022 | 5700 |
| 2023 | 5540 |
| 2024 | 4919 |
| 2025 | 2223 |