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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1951 | 1 |
| 1954 | 1 |
| 1955 | 2 |
| 1956 | 2 |
| 1957 | 1 |
| 1959 | 1 |
| 1964 | 1 |
| 1965 | 2 |
| 1967 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1985 | 1 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 2 |
| 1991 | 1 |
| 1996 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 2 |
| 2004 | 1 |
| 2007 | 1 |
| 2010 | 1 |
| 2011 | 2 |
| 2012 | 3 |
| 2013 | 3 |
| 2014 | 2 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 5 |
| 2022 | 1 |
| 2023 | 0 |