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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1927 | 1 |
| 1963 | 1 |
| 1970 | 1 |
| 1981 | 2 |
| 1991 | 1 |
| 1992 | 2 |
| 1994 | 2 |
| 1995 | 1 |
| 1999 | 1 |
| 2004 | 1 |
| 2005 | 6 |
| 2006 | 14 |
| 2007 | 11 |
| 2008 | 14 |
| 2009 | 9 |
| 2010 | 1 |
| 2011 | 1 |
| 2013 | 1 |
| 2018 | 1 |
| 2020 | 1 |
| 2021 | 3 |
| 2024 | 0 |