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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1987 | 14 |
| 1988 | 16 |
| 1989 | 35 |
| 1990 | 73 |
| 1991 | 107 |
| 1992 | 135 |
| 1993 | 191 |
| 1994 | 128 |
| 1995 | 148 |
| 1996 | 157 |
| 1997 | 134 |
| 1998 | 132 |
| 1999 | 148 |
| 2000 | 192 |
| 2001 | 262 |
| 2002 | 311 |
| 2003 | 363 |
| 2004 | 433 |
| 2005 | 568 |
| 2006 | 671 |
| 2007 | 835 |
| 2008 | 964 |
| 2009 | 1037 |
| 2010 | 1146 |
| 2011 | 1331 |
| 2012 | 1433 |
| 2013 | 1396 |
| 2014 | 1487 |
| 2015 | 1428 |
| 2016 | 1332 |
| 2017 | 1303 |
| 2018 | 1310 |
| 2019 | 1351 |
| 2020 | 1471 |
| 2021 | 1438 |
| 2022 | 1303 |
| 2023 | 1139 |
| 2024 | 451 |