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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 3 |
| 1966 | 1 |
| 1967 | 1 |
| 1972 | 2 |
| 1974 | 1 |
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 3 |
| 1983 | 1 |
| 1990 | 1 |
| 1991 | 6 |
| 1992 | 1 |
| 1994 | 1 |
| 2005 | 19 |
| 2006 | 21 |
| 2007 | 31 |
| 2008 | 23 |
| 2009 | 12 |
| 2010 | 8 |
| 2011 | 25 |
| 2012 | 24 |
| 2013 | 27 |
| 2014 | 35 |
| 2015 | 65 |
| 2016 | 90 |
| 2017 | 123 |
| 2018 | 108 |
| 2019 | 61 |
| 2020 | 48 |
| 2021 | 46 |
| 2022 | 33 |
| 2023 | 42 |
| 2024 | 7 |