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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1877 | 1 |
| 1889 | 2 |
| 1899 | 1 |
| 1903 | 1 |
| 1906 | 1 |
| 1912 | 1 |
| 1916 | 1 |
| 1923 | 1 |
| 1924 | 1 |
| 1925 | 1 |
| 1926 | 1 |
| 1928 | 1 |
| 1930 | 3 |
| 1931 | 3 |
| 1932 | 3 |
| 1936 | 1 |
| 1938 | 1 |
| 1940 | 1 |
| 1942 | 1 |
| 1945 | 6 |
| 1946 | 10 |
| 1947 | 8 |
| 1948 | 8 |
| 1949 | 3 |
| 1950 | 8 |
| 1951 | 10 |
| 1952 | 9 |
| 1953 | 15 |
| 1954 | 8 |
| 1955 | 9 |
| 1956 | 17 |
| 1957 | 17 |
| 1958 | 7 |
| 1959 | 19 |
| 1960 | 18 |
| 1961 | 23 |
| 1962 | 26 |
| 1963 | 36 |
| 1964 | 28 |
| 1965 | 35 |
| 1966 | 24 |
| 1967 | 40 |
| 1968 | 47 |
| 1969 | 35 |
| 1970 | 34 |
| 1971 | 41 |
| 1972 | 40 |
| 1973 | 44 |
| 1974 | 62 |
| 1975 | 89 |
| 1976 | 105 |
| 1977 | 93 |
| 1978 | 146 |
| 1979 | 201 |
| 1980 | 228 |
| 1981 | 213 |
| 1982 | 262 |
| 1983 | 326 |
| 1984 | 370 |
| 1985 | 306 |
| 1986 | 370 |
| 1987 | 325 |
| 1988 | 470 |
| 1989 | 465 |
| 1990 | 565 |
| 1991 | 590 |
| 1992 | 637 |
| 1993 | 645 |
| 1994 | 657 |
| 1995 | 613 |
| 1996 | 702 |
| 1997 | 799 |
| 1998 | 845 |
| 1999 | 746 |
| 2000 | 825 |
| 2001 | 787 |
| 2002 | 842 |
| 2003 | 985 |
| 2004 | 903 |
| 2005 | 971 |
| 2006 | 998 |
| 2007 | 1065 |
| 2008 | 1177 |
| 2009 | 1404 |
| 2010 | 1386 |
| 2011 | 1492 |
| 2012 | 1613 |
| 2013 | 1766 |
| 2014 | 1730 |
| 2015 | 1823 |
| 2016 | 1830 |
| 2017 | 2005 |
| 2018 | 2067 |
| 2019 | 2365 |
| 2020 | 2721 |
| 2021 | 3016 |
| 2022 | 2981 |
| 2023 | 2780 |
| 2024 | 1153 |