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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1973 | 4 |
| 1976 | 1 |
| 1983 | 6 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 3 |
| 1988 | 7 |
| 1989 | 7 |
| 1990 | 1 |
| 1991 | 34 |
| 1992 | 1552 |
| 1993 | 5258 |
| 1994 | 5820 |
| 1995 | 5755 |
| 1996 | 5731 |
| 1997 | 5755 |
| 1998 | 6238 |
| 1999 | 6323 |
| 2000 | 6498 |
| 2001 | 6282 |
| 2002 | 6057 |
| 2003 | 5574 |
| 2004 | 5135 |
| 2005 | 5044 |
| 2006 | 4541 |
| 2007 | 4323 |
| 2008 | 3834 |
| 2009 | 3545 |
| 2010 | 3469 |
| 2011 | 2950 |
| 2012 | 3166 |
| 2013 | 2885 |
| 2014 | 2544 |
| 2015 | 2368 |
| 2016 | 1827 |
| 2017 | 1528 |
| 2018 | 1113 |
| 2019 | 782 |
| 2020 | 680 |
| 2021 | 619 |
| 2022 | 59 |
| 2023 | 14 |
| 2024 | 2 |