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| 1959 | 1960 | 1961 | 1968 | 1969 |
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| 1970 | 1971a | 1971b | 1972a | 1972b |
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| 1973a | 1973b | 1973c | 1974 | 1976 |
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| 1980 | 1981 | 1985 | 1987 | |
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| 1959 | 1960 | 1961 | 1968 | 1969 |
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| 1970 | 1971a | 1971b | 1972a | 1972b |
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| 1973a | 1973b | 1973c | 1974 | 1976 |
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| 1980 | 1981 | 1985 | 1987 | |