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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1947 | 2 |
| 1949 | 1 |
| 1950 | 3 |
| 1951 | 5 |
| 1952 | 6 |
| 1953 | 5 |
| 1954 | 3 |
| 1955 | 2 |
| 1956 | 5 |
| 1957 | 5 |
| 1958 | 2 |
| 1959 | 5 |
| 1960 | 4 |
| 1961 | 3 |
| 1962 | 1 |
| 1963 | 3 |
| 1964 | 7 |
| 1965 | 2 |
| 1966 | 2 |
| 1968 | 5 |
| 1969 | 2 |
| 1970 | 1 |
| 1971 | 3 |
| 1972 | 1 |
| 1973 | 2 |
| 1989 | 1 |
| 1990 | 1 |
| 1993 | 2 |
| 1994 | 3 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 1 |
| 2007 | 1 |
| 2008 | 1 |
| 2017 | 1 |
| 2023 | 2 |