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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1966 | 19 |
| 1967 | 14 |
| 1968 | 5 |
| 1969 | 21 |
| 1970 | 19 |
| 1971 | 35 |
| 1972 | 12 |
| 1973 | 10 |
| 1974 | 106 |
| 1975 | 183 |
| 1976 | 127 |
| 1977 | 119 |
| 1978 | 112 |
| 1979 | 143 |
| 1980 | 113 |
| 1981 | 84 |
| 1982 | 72 |
| 1983 | 72 |
| 1984 | 122 |
| 1985 | 87 |
| 1986 | 77 |
| 1987 | 66 |
| 1988 | 73 |
| 1989 | 60 |
| 1990 | 99 |
| 1991 | 84 |
| 1992 | 72 |
| 1993 | 85 |
| 1994 | 61 |
| 1995 | 58 |
| 1996 | 80 |
| 1997 | 82 |
| 1998 | 64 |
| 1999 | 65 |
| 2000 | 91 |
| 2001 | 75 |
| 2002 | 148 |
| 2003 | 398 |
| 2004 | 453 |
| 2005 | 451 |
| 2006 | 525 |
| 2007 | 599 |
| 2008 | 595 |
| 2009 | 619 |
| 2010 | 745 |
| 2011 | 722 |
| 2012 | 727 |
| 2013 | 772 |
| 2014 | 749 |
| 2015 | 739 |
| 2016 | 706 |
| 2017 | 664 |
| 2018 | 703 |
| 2019 | 659 |
| 2020 | 513 |
| 2021 | 397 |
| 2022 | 56 |
| 2023 | 8 |
| 2024 | 34 |