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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 1 |
| 1971 | 2 |
| 1973 | 1 |
| 1974 | 2 |
| 1977 | 1 |
| 1978 | 3 |
| 1979 | 21 |
| 1980 | 264 |
| 1981 | 587 |
| 1982 | 650 |
| 1983 | 567 |
| 1984 | 561 |
| 1985 | 498 |
| 1986 | 592 |
| 1987 | 567 |
| 1988 | 666 |
| 1989 | 745 |
| 1990 | 904 |
| 1991 | 963 |
| 1992 | 1102 |
| 1993 | 1099 |
| 1994 | 1144 |
| 1995 | 1137 |
| 1996 | 1257 |
| 1997 | 1274 |
| 1998 | 1374 |
| 1999 | 1476 |
| 2000 | 1510 |
| 2001 | 1512 |
| 2002 | 1699 |
| 2003 | 1814 |
| 2004 | 1971 |
| 2005 | 2410 |
| 2006 | 2804 |
| 2007 | 3077 |
| 2008 | 3552 |
| 2009 | 3711 |
| 2010 | 4175 |
| 2011 | 4845 |
| 2012 | 4958 |
| 2013 | 5239 |
| 2014 | 5336 |
| 2015 | 5394 |
| 2016 | 5218 |
| 2017 | 5019 |
| 2018 | 5141 |
| 2019 | 5290 |
| 2020 | 5709 |
| 2021 | 6024 |
| 2022 | 5539 |
| 2023 | 5429 |
| 2024 | 4787 |
| 2025 | 1765 |