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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1966 | 3 |
| 1967 | 1 |
| 1968 | 3 |
| 1969 | 1 |
| 1972 | 1 |
| 1975 | 1 |
| 1976 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 2 |
| 1986 | 3 |
| 1987 | 2 |
| 1988 | 1 |
| 1989 | 3 |
| 1991 | 3 |
| 1993 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 1999 | 2 |
| 2002 | 1 |
| 2003 | 1 |
| 2005 | 1 |
| 2007 | 1 |
| 2011 | 2 |
| 2012 | 3 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 2 |
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 1 |