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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 3 |
| 1966 | 29 |
| 1967 | 70 |
| 1968 | 62 |
| 1969 | 61 |
| 1970 | 86 |
| 1971 | 95 |
| 1972 | 111 |
| 1973 | 102 |
| 1974 | 89 |
| 1975 | 90 |
| 1976 | 97 |
| 1977 | 77 |
| 1978 | 98 |
| 1979 | 80 |
| 1980 | 78 |
| 1981 | 72 |
| 1982 | 62 |
| 1983 | 63 |
| 1984 | 98 |
| 1985 | 78 |
| 1986 | 94 |
| 1987 | 91 |
| 1988 | 102 |
| 1989 | 114 |
| 1990 | 108 |
| 1991 | 105 |
| 1992 | 133 |
| 1993 | 133 |
| 1994 | 126 |
| 1995 | 106 |
| 1996 | 100 |
| 1997 | 95 |
| 1998 | 134 |
| 1999 | 202 |
| 2000 | 243 |
| 2001 | 268 |
| 2002 | 248 |
| 2003 | 279 |
| 2004 | 328 |
| 2005 | 279 |
| 2006 | 349 |
| 2007 | 397 |
| 2008 | 504 |
| 2009 | 579 |
| 2010 | 613 |
| 2011 | 705 |
| 2012 | 811 |
| 2013 | 745 |
| 2014 | 708 |
| 2015 | 697 |
| 2016 | 795 |
| 2017 | 846 |
| 2018 | 833 |
| 2019 | 867 |
| 2020 | 746 |
| 2021 | 521 |
| 2022 | 142 |
| 2023 | 78 |
| 2024 | 79 |