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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1950 | 1 |
| 1961 | 1 |
| 1986 | 14 |
| 1987 | 45 |
| 1988 | 61 |
| 1989 | 53 |
| 1990 | 74 |
| 1991 | 102 |
| 1992 | 86 |
| 1993 | 74 |
| 1994 | 93 |
| 1995 | 101 |
| 1996 | 146 |
| 1997 | 139 |
| 1998 | 123 |
| 1999 | 106 |
| 2000 | 126 |
| 2001 | 98 |
| 2002 | 87 |
| 2003 | 97 |
| 2004 | 95 |
| 2005 | 105 |
| 2006 | 99 |
| 2007 | 85 |
| 2008 | 74 |
| 2009 | 89 |
| 2010 | 77 |
| 2011 | 93 |
| 2012 | 76 |
| 2013 | 62 |
| 2014 | 56 |
| 2015 | 48 |
| 2016 | 38 |
| 2017 | 33 |
| 2018 | 28 |
| 2019 | 20 |
| 2020 | 12 |
| 2021 | 11 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 2 |