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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 1 |
| 1980 | 1 |
| 1994 | 29 |
| 1995 | 20 |
| 1996 | 14 |
| 1997 | 25 |
| 1998 | 33 |
| 1999 | 51 |
| 2000 | 70 |
| 2001 | 63 |
| 2002 | 47 |
| 2003 | 62 |
| 2004 | 90 |
| 2005 | 69 |
| 2006 | 95 |
| 2007 | 106 |
| 2008 | 147 |
| 2009 | 180 |
| 2010 | 209 |
| 2011 | 254 |
| 2012 | 274 |
| 2013 | 273 |
| 2014 | 253 |
| 2015 | 262 |
| 2016 | 282 |
| 2017 | 284 |
| 2018 | 281 |
| 2019 | 307 |
| 2020 | 241 |
| 2021 | 193 |
| 2022 | 71 |
| 2023 | 33 |
| 2024 | 25 |