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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 2 |
| 1951 | 1 |
| 1953 | 1 |
| 1954 | 3 |
| 1955 | 4 |
| 1956 | 4 |
| 1957 | 2 |
| 1958 | 6 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 2 |
| 1962 | 1 |
| 1963 | 1 |
| 1965 | 4 |
| 1966 | 4 |
| 1967 | 2 |
| 1968 | 2 |
| 1973 | 1 |
| 1976 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1987 | 1 |
| 1988 | 1 |
| 1996 | 1 |
| 1997 | 2 |
| 1998 | 3 |
| 1999 | 2 |
| 2000 | 2 |
| 2001 | 3 |
| 2005 | 4 |
| 2006 | 5 |
| 2007 | 3 |
| 2008 | 2 |
| 2009 | 1 |
| 2010 | 1 |
| 2016 | 1 |
| 2023 | 0 |