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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1970 | 1 |
| 1972 | 3 |
| 1974 | 2 |
| 1977 | 1 |
| 1981 | 1 |
| 1987 | 1 |
| 1988 | 3 |
| 1989 | 2 |
| 1990 | 2 |
| 1993 | 5 |
| 1994 | 1 |
| 1996 | 1 |
| 2003 | 2 |
| 2004 | 3 |
| 2007 | 2 |
| 2008 | 2 |
| 2010 | 1 |
| 2012 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2024 | 1 |