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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1952 | 1 |
| 1954 | 1 |
| 1957 | 2 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1976 | 1 |
| 1979 | 2 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1986 | 1 |
| 1994 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2008 | 3 |
| 2009 | 1 |
| 2010 | 2 |
| 2011 | 3 |
| 2012 | 5 |
| 2013 | 8 |
| 2014 | 10 |
| 2015 | 8 |
| 2016 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2025 | 0 |