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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1967 | 2 |
| 1974 | 11 |
| 1975 | 20 |
| 1977 | 6 |
| 1978 | 10 |
| 1979 | 6 |
| 1980 | 10 |
| 1981 | 20 |
| 1982 | 6 |
| 1983 | 9 |
| 1984 | 10 |
| 1985 | 9 |
| 1986 | 11 |
| 1987 | 14 |
| 1988 | 9 |
| 1989 | 24 |
| 1990 | 56 |
| 1991 | 121 |
| 1992 | 131 |
| 1993 | 124 |
| 1994 | 192 |
| 1995 | 145 |
| 1996 | 179 |
| 1997 | 210 |
| 1998 | 286 |
| 1999 | 287 |
| 2000 | 320 |
| 2001 | 340 |
| 2002 | 468 |
| 2003 | 506 |
| 2004 | 605 |
| 2005 | 571 |
| 2006 | 698 |
| 2007 | 723 |
| 2008 | 754 |
| 2009 | 900 |
| 2010 | 1023 |
| 2011 | 1133 |
| 2012 | 1443 |
| 2013 | 1456 |
| 2014 | 1696 |
| 2015 | 1812 |
| 2016 | 1642 |
| 2017 | 1624 |
| 2018 | 1700 |
| 2019 | 1610 |
| 2020 | 1283 |
| 2021 | 732 |
| 2022 | 368 |
| 2023 | 302 |
| 2024 | 129 |