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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 2 |
| 1952 | 1 |
| 1953 | 2 |
| 1956 | 1 |
| 1957 | 3 |
| 1958 | 7 |
| 1959 | 8 |
| 1960 | 1 |
| 1961 | 4 |
| 1962 | 3 |
| 1964 | 3 |
| 1965 | 2 |
| 1966 | 2 |
| 1967 | 1 |
| 1968 | 2 |
| 1969 | 8 |
| 1970 | 3 |
| 1971 | 1 |
| 1972 | 2 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 3 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1990 | 1 |
| 1991 | 2 |
| 1994 | 3 |
| 1995 | 1 |
| 1996 | 3 |
| 1998 | 2 |
| 2000 | 2 |
| 2001 | 1 |
| 2007 | 1 |
| 2008 | 4 |
| 2010 | 3 |
| 2011 | 4 |
| 2012 | 5 |
| 2013 | 4 |
| 2017 | 1 |
| 2024 | 2 |