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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1968 | 3 |
| 1969 | 2 |
| 1970 | 1 |
| 1975 | 1 |
| 1976 | 1 |
| 1978 | 3 |
| 1979 | 10 |
| 1980 | 43 |
| 1981 | 113 |
| 1982 | 118 |
| 1983 | 120 |
| 1984 | 148 |
| 1985 | 161 |
| 1986 | 149 |
| 1987 | 188 |
| 1988 | 253 |
| 1989 | 244 |
| 1990 | 247 |
| 1991 | 292 |
| 1992 | 281 |
| 1993 | 306 |
| 1994 | 290 |
| 1995 | 354 |
| 1996 | 432 |
| 1997 | 495 |
| 1998 | 634 |
| 1999 | 736 |
| 2000 | 771 |
| 2001 | 925 |
| 2002 | 1081 |
| 2003 | 1360 |
| 2004 | 1653 |
| 2005 | 2121 |
| 2006 | 2519 |
| 2007 | 3411 |
| 2008 | 4582 |
| 2009 | 5113 |
| 2010 | 5644 |
| 2011 | 5980 |
| 2012 | 6260 |
| 2013 | 6457 |
| 2014 | 6197 |
| 2015 | 6259 |
| 2016 | 6163 |
| 2017 | 6023 |
| 2018 | 6136 |
| 2019 | 6142 |
| 2020 | 6474 |
| 2021 | 6775 |
| 2022 | 6098 |
| 2023 | 6536 |
| 2024 | 5951 |
| 2025 | 2257 |