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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 3 |
| 1987 | 11 |
| 1988 | 26 |
| 1989 | 31 |
| 1990 | 26 |
| 1991 | 28 |
| 1992 | 22 |
| 1993 | 19 |
| 1994 | 23 |
| 1995 | 26 |
| 1996 | 25 |
| 1997 | 30 |
| 1998 | 24 |
| 1999 | 30 |
| 2000 | 34 |
| 2001 | 28 |
| 2002 | 42 |
| 2003 | 37 |
| 2004 | 42 |
| 2005 | 47 |
| 2006 | 66 |
| 2007 | 55 |
| 2008 | 56 |
| 2009 | 72 |
| 2010 | 55 |
| 2011 | 68 |
| 2012 | 65 |
| 2013 | 71 |
| 2014 | 86 |
| 2015 | 111 |
| 2016 | 99 |
| 2017 | 100 |
| 2018 | 91 |
| 2019 | 103 |
| 2020 | 127 |
| 2021 | 99 |
| 2022 | 75 |
| 2023 | 21 |