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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1977 | 6 |
| 1978 | 14 |
| 1979 | 4 |
| 1980 | 28 |
| 1981 | 43 |
| 1982 | 67 |
| 1983 | 84 |
| 1984 | 107 |
| 1985 | 140 |
| 1986 | 151 |
| 1987 | 174 |
| 1988 | 244 |
| 1989 | 323 |
| 1990 | 396 |
| 1991 | 437 |
| 1992 | 441 |
| 1993 | 501 |
| 1994 | 467 |
| 1995 | 498 |
| 1996 | 477 |
| 1997 | 551 |
| 1998 | 612 |
| 1999 | 666 |
| 2000 | 761 |
| 2001 | 664 |
| 2002 | 716 |
| 2003 | 757 |
| 2004 | 805 |
| 2005 | 826 |
| 2006 | 997 |
| 2007 | 1081 |
| 2008 | 1081 |
| 2009 | 1217 |
| 2010 | 1263 |
| 2011 | 1289 |
| 2012 | 1438 |
| 2013 | 1493 |
| 2014 | 1392 |
| 2015 | 1413 |
| 2016 | 1267 |
| 2017 | 1271 |
| 2018 | 1285 |
| 2019 | 1188 |
| 2020 | 1269 |
| 2021 | 1181 |
| 2022 | 776 |
| 2023 | 567 |
| 2024 | 174 |