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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 1 |
| 1976 | 1 |
| 1989 | 16 |
| 1990 | 62 |
| 1991 | 72 |
| 1992 | 74 |
| 1993 | 88 |
| 1994 | 96 |
| 1995 | 116 |
| 1996 | 120 |
| 1997 | 139 |
| 1998 | 187 |
| 1999 | 209 |
| 2000 | 198 |
| 2001 | 247 |
| 2002 | 284 |
| 2003 | 277 |
| 2004 | 290 |
| 2005 | 322 |
| 2006 | 331 |
| 2007 | 312 |
| 2008 | 307 |
| 2009 | 369 |
| 2010 | 309 |
| 2011 | 332 |
| 2012 | 331 |
| 2013 | 320 |
| 2014 | 269 |
| 2015 | 258 |
| 2016 | 237 |
| 2017 | 234 |
| 2018 | 238 |
| 2019 | 241 |
| 2020 | 220 |
| 2021 | 182 |
| 2022 | 81 |
| 2023 | 68 |
| 2024 | 57 |