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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 1 |
| 1956 | 2 |
| 1957 | 1 |
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 2 |
| 1965 | 2 |
| 1969 | 2 |
| 1974 | 1 |
| 1975 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1987 | 1 |
| 1989 | 2 |
| 1990 | 3 |
| 1991 | 3 |
| 1993 | 3 |
| 2002 | 1 |
| 2006 | 1 |
| 2007 | 1 |
| 2009 | 1 |
| 2010 | 3 |
| 2012 | 1 |
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 1 |
| 2021 | 1 |
| 2025 | 0 |