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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 3 |
| 1955 | 1 |
| 1956 | 1 |
| 1961 | 1 |
| 1962 | 1 |
| 1967 | 2 |
| 1968 | 1 |
| 1969 | 4 |
| 1970 | 3 |
| 1971 | 3 |
| 1973 | 1 |
| 1975 | 1 |
| 1976 | 2 |
| 1977 | 1 |
| 1985 | 2 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1996 | 1 |
| 2003 | 6 |
| 2004 | 13 |
| 2005 | 10 |
| 2006 | 10 |
| 2007 | 8 |
| 2008 | 11 |
| 2009 | 2 |
| 2013 | 1 |
| 2014 | 1 |
| 2022 | 0 |