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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1842 | 1 |
| 1864 | 1 |
| 1915 | 1 |
| 1920 | 1 |
| 1925 | 1 |
| 1932 | 1 |
| 1934 | 1 |
| 1936 | 1 |
| 1938 | 1 |
| 1939 | 1 |
| 1940 | 1 |
| 1945 | 1 |
| 1946 | 3 |
| 1947 | 1 |
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 3 |
| 1951 | 6 |
| 1952 | 6 |
| 1953 | 5 |
| 1954 | 5 |
| 1955 | 6 |
| 1956 | 6 |
| 1957 | 2 |
| 1958 | 4 |
| 1959 | 7 |
| 1960 | 6 |
| 1961 | 9 |
| 1962 | 7 |
| 1963 | 13 |
| 1964 | 4 |
| 1965 | 11 |
| 1966 | 16 |
| 1967 | 12 |
| 1968 | 19 |
| 1969 | 30 |
| 1970 | 51 |
| 1971 | 48 |
| 1972 | 60 |
| 1973 | 61 |
| 1974 | 97 |
| 1975 | 241 |
| 1976 | 258 |
| 1977 | 213 |
| 1978 | 224 |
| 1979 | 266 |
| 1980 | 287 |
| 1981 | 321 |
| 1982 | 367 |
| 1983 | 382 |
| 1984 | 440 |
| 1985 | 466 |
| 1986 | 454 |
| 1987 | 483 |
| 1988 | 506 |
| 1989 | 588 |
| 1990 | 662 |
| 1991 | 720 |
| 1992 | 786 |
| 1993 | 789 |
| 1994 | 825 |
| 1995 | 834 |
| 1996 | 911 |
| 1997 | 1063 |
| 1998 | 1032 |
| 1999 | 1056 |
| 2000 | 1067 |
| 2001 | 1173 |
| 2002 | 1145 |
| 2003 | 1322 |
| 2004 | 1401 |
| 2005 | 1551 |
| 2006 | 1720 |
| 2007 | 1850 |
| 2008 | 2066 |
| 2009 | 2118 |
| 2010 | 2319 |
| 2011 | 2562 |
| 2012 | 2803 |
| 2013 | 2989 |
| 2014 | 3143 |
| 2015 | 3325 |
| 2016 | 3514 |
| 2017 | 3616 |
| 2018 | 3805 |
| 2019 | 4041 |
| 2020 | 4451 |
| 2021 | 4729 |
| 2022 | 4761 |
| 2023 | 4408 |
| 2024 | 2012 |