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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1855 | 1 |
| 1868 | 1 |
| 1869 | 1 |
| 1870 | 1 |
| 1877 | 1 |
| 1921 | 1 |
| 1927 | 2 |
| 1940 | 1 |
| 1941 | 1 |
| 1945 | 8 |
| 1946 | 29 |
| 1947 | 39 |
| 1948 | 29 |
| 1949 | 40 |
| 1950 | 2 |
| 1951 | 40 |
| 1952 | 86 |
| 1953 | 90 |
| 1954 | 85 |
| 1955 | 136 |
| 1956 | 123 |
| 1957 | 113 |
| 1958 | 128 |
| 1959 | 133 |
| 1960 | 149 |
| 1961 | 244 |
| 1962 | 98 |
| 1963 | 48 |
| 1964 | 110 |
| 1965 | 216 |
| 1966 | 308 |
| 1967 | 458 |
| 1968 | 536 |
| 1969 | 658 |
| 1970 | 644 |
| 1971 | 698 |
| 1972 | 715 |
| 1973 | 812 |
| 1974 | 850 |
| 1975 | 933 |
| 1976 | 879 |
| 1977 | 911 |
| 1978 | 982 |
| 1979 | 958 |
| 1980 | 1033 |
| 1981 | 1106 |
| 1982 | 1219 |
| 1983 | 1166 |
| 1984 | 1149 |
| 1985 | 1361 |
| 1986 | 1352 |
| 1987 | 1490 |
| 1988 | 1550 |
| 1989 | 1557 |
| 1990 | 1618 |
| 1991 | 1485 |
| 1992 | 1595 |
| 1993 | 1603 |
| 1994 | 1703 |
| 1995 | 1917 |
| 1996 | 2076 |
| 1997 | 2036 |
| 1998 | 2191 |
| 1999 | 2389 |
| 2000 | 2439 |
| 2001 | 2345 |
| 2002 | 2431 |
| 2003 | 2641 |
| 2004 | 2741 |
| 2005 | 3034 |
| 2006 | 3312 |
| 2007 | 3452 |
| 2008 | 3669 |
| 2009 | 3757 |
| 2010 | 3825 |
| 2011 | 4218 |
| 2012 | 4453 |
| 2013 | 4613 |
| 2014 | 4868 |
| 2015 | 4917 |
| 2016 | 4872 |
| 2017 | 5077 |
| 2018 | 5060 |
| 2019 | 5082 |
| 2020 | 4595 |
| 2021 | 3380 |
| 2022 | 2174 |
| 2023 | 1925 |
| 2024 | 3553 |
| 2025 | 295 |