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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1914 | 1 |
| 1920 | 1 |
| 1925 | 1 |
| 1928 | 1 |
| 1929 | 2 |
| 1930 | 2 |
| 1931 | 1 |
| 1932 | 1 |
| 1933 | 1 |
| 1934 | 2 |
| 1935 | 1 |
| 1937 | 1 |
| 1941 | 1 |
| 1942 | 1 |
| 1949 | 1 |
| 1951 | 4 |
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 1 |
| 1955 | 3 |
| 1956 | 2 |
| 1962 | 1 |
| 1964 | 2 |
| 1966 | 3 |
| 1967 | 5 |
| 1968 | 1 |
| 1969 | 5 |
| 1970 | 4 |
| 1971 | 9 |
| 1972 | 15 |
| 1973 | 14 |
| 1974 | 18 |
| 1975 | 88 |
| 1976 | 90 |
| 1977 | 55 |
| 1978 | 63 |
| 1979 | 78 |
| 1980 | 85 |
| 1981 | 80 |
| 1982 | 106 |
| 1983 | 122 |
| 1984 | 170 |
| 1985 | 181 |
| 1986 | 228 |
| 1987 | 205 |
| 1988 | 270 |
| 1989 | 367 |
| 1990 | 379 |
| 1991 | 436 |
| 1992 | 476 |
| 1993 | 567 |
| 1994 | 664 |
| 1995 | 694 |
| 1996 | 765 |
| 1997 | 694 |
| 1998 | 793 |
| 1999 | 911 |
| 2000 | 1085 |
| 2001 | 1257 |
| 2002 | 1361 |
| 2003 | 1415 |
| 2004 | 1718 |
| 2005 | 2252 |
| 2006 | 2324 |
| 2007 | 2668 |
| 2008 | 3220 |
| 2009 | 3533 |
| 2010 | 3989 |
| 2011 | 4293 |
| 2012 | 4693 |
| 2013 | 5511 |
| 2014 | 5778 |
| 2015 | 5502 |
| 2016 | 3638 |
| 2017 | 2506 |
| 2018 | 2957 |
| 2019 | 3178 |
| 2020 | 3497 |
| 2021 | 3585 |
| 2022 | 3673 |
| 2023 | 3431 |
| 2024 | 1315 |