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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 2 |
| 1978 | 4 |
| 1979 | 1 |
| 1980 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1987 | 1 |
| 1990 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 1998 | 3 |
| 1999 | 4 |
| 2000 | 9 |
| 2001 | 4 |
| 2002 | 6 |
| 2003 | 24 |
| 2004 | 20 |
| 2005 | 23 |
| 2006 | 29 |
| 2007 | 31 |
| 2008 | 52 |
| 2009 | 67 |
| 2010 | 66 |
| 2011 | 86 |
| 2012 | 101 |
| 2013 | 121 |
| 2014 | 109 |
| 2015 | 120 |
| 2016 | 131 |
| 2017 | 114 |
| 2018 | 133 |
| 2019 | 141 |
| 2020 | 122 |
| 2021 | 155 |
| 2022 | 141 |
| 2023 | 15 |