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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 1 |
| 1989 | 13 |
| 1990 | 35 |
| 1991 | 80 |
| 1992 | 116 |
| 1993 | 92 |
| 1994 | 96 |
| 1995 | 121 |
| 1996 | 126 |
| 1997 | 117 |
| 1998 | 142 |
| 1999 | 155 |
| 2000 | 145 |
| 2001 | 134 |
| 2002 | 123 |
| 2003 | 148 |
| 2004 | 156 |
| 2005 | 170 |
| 2006 | 142 |
| 2007 | 177 |
| 2008 | 180 |
| 2009 | 171 |
| 2010 | 199 |
| 2011 | 203 |
| 2012 | 198 |
| 2013 | 190 |
| 2014 | 172 |
| 2015 | 133 |
| 2016 | 118 |
| 2017 | 143 |
| 2018 | 148 |
| 2019 | 113 |
| 2020 | 90 |
| 2021 | 65 |
| 2022 | 6 |
| 2024 | 8 |