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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 8 |
| 1972 | 12 |
| 1973 | 8 |
| 1974 | 13 |
| 1975 | 2 |
| 1999 | 12 |
| 2000 | 14 |
| 2001 | 10 |
| 2002 | 11 |
| 2003 | 20 |
| 2004 | 31 |
| 2005 | 28 |
| 2006 | 51 |
| 2007 | 115 |
| 2008 | 105 |
| 2009 | 126 |
| 2010 | 112 |
| 2011 | 57 |
| 2012 | 44 |
| 2013 | 40 |
| 2014 | 36 |
| 2015 | 50 |
| 2016 | 45 |
| 2017 | 66 |
| 2018 | 54 |
| 2019 | 79 |
| 2020 | 57 |
| 2021 | 126 |
| 2022 | 86 |
| 2023 | 146 |
| 2024 | 49 |