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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 3 |
| 1948 | 1 |
| 1949 | 2 |
| 1950 | 3 |
| 1951 | 1 |
| 1955 | 1 |
| 1959 | 2 |
| 1960 | 5 |
| 1961 | 5 |
| 1964 | 1 |
| 1965 | 4 |
| 1967 | 2 |
| 1968 | 1 |
| 1969 | 1 |
| 1974 | 3 |
| 1975 | 2 |
| 1977 | 3 |
| 1978 | 2 |
| 1981 | 1 |
| 1982 | 1 |
| 1984 | 1 |
| 1986 | 1 |
| 1989 | 1 |
| 1991 | 1 |
| 1993 | 1 |
| 1995 | 5 |
| 1996 | 3 |
| 1997 | 1 |
| 1999 | 3 |
| 2001 | 4 |
| 2002 | 1 |
| 2006 | 1 |
| 2007 | 2 |
| 2024 | 0 |