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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 1 |
| 1951 | 2 |
| 1952 | 3 |
| 1953 | 1 |
| 1954 | 2 |
| 1955 | 3 |
| 1957 | 3 |
| 1958 | 3 |
| 1959 | 7 |
| 1960 | 2 |
| 1961 | 2 |
| 1962 | 3 |
| 1963 | 2 |
| 1964 | 3 |
| 1965 | 3 |
| 1966 | 2 |
| 1967 | 2 |
| 1968 | 3 |
| 1969 | 1 |
| 1970 | 6 |
| 1972 | 1 |
| 1977 | 3 |
| 1979 | 1 |
| 1980 | 1 |
| 1987 | 2 |
| 1988 | 1 |
| 1989 | 1 |
| 1991 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2003 | 1 |
| 2008 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 2 |
| 2014 | 1 |
| 2016 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 0 |