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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 2 |
| 1952 | 1 |
| 1953 | 1 |
| 1956 | 2 |
| 1957 | 1 |
| 1958 | 1 |
| 1966 | 1 |
| 1974 | 5 |
| 1976 | 2 |
| 1977 | 1 |
| 1978 | 1 |
| 1983 | 1 |
| 1985 | 1 |
| 1987 | 1 |
| 1991 | 2 |
| 1992 | 1 |
| 1993 | 1 |
| 1996 | 1 |
| 1998 | 1 |
| 2001 | 2 |
| 2002 | 1 |
| 2004 | 2 |
| 2006 | 2 |
| 2008 | 1 |
| 2010 | 3 |
| 2011 | 1 |
| 2012 | 1 |
| 2024 | 0 |