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and transmitted securely.
Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1987 | 1 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 17 |
| 1993 | 21 |
| 1994 | 26 |
| 1995 | 40 |
| 1996 | 69 |
| 1997 | 99 |
| 1998 | 129 |
| 1999 | 158 |
| 2000 | 187 |
| 2001 | 167 |
| 2002 | 115 |
| 2003 | 65 |
| 2004 | 47 |
| 2005 | 59 |
| 2006 | 35 |
| 2007 | 27 |
| 2008 | 19 |
| 2009 | 20 |
| 2010 | 19 |
| 2011 | 12 |
| 2012 | 5 |
| 2013 | 7 |
| 2014 | 9 |
| 2015 | 5 |
| 2016 | 9 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 3 |
| 2024 | 1 |