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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1963 | 1 |
| 1964 | 7 |
| 1965 | 85 |
| 1966 | 230 |
| 1967 | 438 |
| 1968 | 440 |
| 1969 | 589 |
| 1970 | 555 |
| 1971 | 680 |
| 1972 | 852 |
| 1973 | 793 |
| 1974 | 847 |
| 1975 | 1296 |
| 1976 | 1501 |
| 1977 | 1510 |
| 1978 | 1631 |
| 1979 | 1610 |
| 1980 | 1735 |
| 1981 | 1557 |
| 1982 | 1751 |
| 1983 | 1899 |
| 1984 | 2087 |
| 1985 | 2110 |
| 1986 | 2129 |
| 1987 | 1965 |
| 1988 | 1941 |
| 1989 | 2219 |
| 1990 | 2184 |
| 1991 | 2114 |
| 1992 | 2283 |
| 1993 | 2198 |
| 1994 | 2060 |
| 1995 | 1868 |
| 1996 | 1749 |
| 1997 | 1803 |
| 1998 | 1706 |
| 1999 | 1588 |
| 2000 | 1454 |
| 2001 | 1321 |
| 2002 | 1361 |
| 2003 | 1418 |
| 2004 | 1350 |
| 2005 | 1306 |
| 2006 | 1233 |
| 2007 | 1272 |
| 2008 | 1188 |
| 2009 | 1122 |
| 2010 | 1034 |
| 2011 | 1010 |
| 2012 | 983 |
| 2013 | 959 |
| 2014 | 832 |
| 2015 | 800 |
| 2016 | 701 |
| 2017 | 629 |
| 2018 | 623 |
| 2019 | 544 |
| 2020 | 415 |
| 2021 | 321 |
| 2022 | 40 |
| 2023 | 12 |
| 2024 | 32 |