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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 14 |
| 1952 | 3 |
| 1953 | 7 |
| 1954 | 5 |
| 1955 | 9 |
| 1956 | 6 |
| 1957 | 4 |
| 1958 | 1 |
| 1959 | 5 |
| 1960 | 2 |
| 1961 | 3 |
| 1963 | 8 |
| 1964 | 6 |
| 1965 | 5 |
| 1966 | 1 |
| 1967 | 4 |
| 1968 | 5 |
| 1970 | 9 |
| 1972 | 3 |
| 1973 | 2 |
| 1974 | 1 |
| 1975 | 3 |
| 1981 | 1 |
| 1982 | 2 |
| 1990 | 1 |
| 1992 | 1 |
| 1998 | 1 |
| 2001 | 2 |
| 2002 | 3 |
| 2006 | 1 |
| 2007 | 1 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 2 |
| 2012 | 2 |
| 2013 | 1 |
| 2015 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 0 |