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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1966 | 2 |
| 1975 | 1 |
| 1983 | 1 |
| 1985 | 1 |
| 1987 | 3 |
| 1990 | 1 |
| 1993 | 1 |
| 1995 | 2 |
| 1996 | 1 |
| 1998 | 2 |
| 2000 | 1 |
| 2004 | 1 |
| 2006 | 1 |
| 2008 | 1 |
| 2009 | 2 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 3 |
| 2016 | 3 |
| 2018 | 22 |
| 2020 | 1 |
| 2022 | 1 |