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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 13 |
| 1949 | 26 |
| 1950 | 35 |
| 1951 | 55 |
| 1952 | 44 |
| 1953 | 43 |
| 1954 | 26 |
| 1955 | 18 |
| 1956 | 37 |
| 1957 | 39 |
| 1958 | 38 |
| 1959 | 32 |
| 1960 | 27 |
| 1961 | 19 |
| 1962 | 23 |
| 1963 | 27 |
| 1964 | 31 |
| 1965 | 22 |
| 1966 | 20 |
| 1967 | 39 |
| 1968 | 40 |
| 1969 | 74 |
| 1970 | 30 |
| 1971 | 39 |
| 1972 | 33 |
| 1973 | 29 |
| 1974 | 34 |
| 1975 | 28 |
| 1976 | 34 |
| 1977 | 49 |
| 1978 | 35 |
| 1979 | 41 |
| 1980 | 34 |
| 1981 | 41 |
| 1982 | 42 |
| 1983 | 38 |
| 2025 | 0 |