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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 3 |
| 1953 | 2 |
| 1954 | 5 |
| 1955 | 4 |
| 1956 | 6 |
| 1957 | 4 |
| 1958 | 3 |
| 1959 | 2 |
| 1960 | 2 |
| 1961 | 1 |
| 1970 | 1 |
| 1972 | 1 |
| 1979 | 1 |
| 1984 | 1 |
| 1985 | 2 |
| 1987 | 2 |
| 1989 | 1 |
| 1992 | 1 |
| 1993 | 2 |
| 1995 | 1 |
| 1996 | 1 |
| 1998 | 1 |
| 1999 | 2 |
| 2001 | 1 |
| 2003 | 1 |
| 2007 | 1 |
| 2009 | 1 |
| 2013 | 4 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 2 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 6 |
| 2023 | 1 |
| 2024 | 0 |