| Jahr | USA | USSR |
| 1990 | 21211 | 33417 |
| 1989 | 22174 | 35805 |
| 1988 | 23077 | 37333 |
| 1987 | 23490 | 38859 |
| 1986 | 23254 | 40723 |
| 1985 | 23135 | 39197 |
| 1984 | 23228 | 37431 |
| 1983 | 23154 | 35804 |
| 1982 | 22937 | 33952 |
| 1981 | 23031 | 32049 |
| 1980 | 23764 | 30062 |
| 1979 | 24107 | 27935 |
| 1978 | 24243 | 25393 |
| 1977 | 25099 | 23044 |
| 1976 | 25956 | 21205 |
| 1975 | 27052 | 19055 |
| 1974 | 28170 | 17385 |
| 1973 | 28335 | 15915 |
| 1972 | 27296 | 14478 |
| 1971 | 26365 | 13092 |
| 1970 | 26119 | 11643 |
| 1969 | 26910 | 10538 |
| 1968 | 28884 | 9399 |
| 1967 | 30893 | 8339 |
| 1966 | 31700 | 7089 |
| 1965 | 31642 | 6129 |
| 1964 | 30751 | 5221 |
| 1963 | 29249 | 4238 |
| 1962 | 27297 | 3322 |
| 1961 | 24111 | 2471 |
| 1960 | 20434 | 1605 |
| 1959 | 15468 | 1060 |
| 1958 | 9822 | 869 |
| 1957 | 6444 | 660 |
| 1956 | 4618 | 426 |
| 1955 | 3057 | 200 |
| 1954 | 2063 | 150 |
| 1953 | 1436 | 120 |
| 1952 | 1005 | 50 |
| 1951 | 640 | 25 |
| 1950 | 369 | 5 |
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