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| 1968a | 1968b | 1969a | 1969b | 1970 |
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| 1971a | 1971b* | 1971c* | 1972a | 1972b* |
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| 1973a* | 1973b* | 1973c* | 1975* | 1977* |
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| 1978a* | 1978b* | 1978c | 1979 | 1983* |
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| 1985 | 1986a | 1986b* | 1986c* | 1988* |
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| 1989* | 1990a | 1990b | 1990c* | 1991 |
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| 1992a* | 1992b* | 1992c* | 1993 | 1995a |
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| 1995b | 1995c | 1997a | 1997b* | 1999 |
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| 2000a* | 2000b* | 2000c* | 2000d | 2001* |
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| 2004a | 2004b* | 2004c* | 2005a | 2006a |
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| 2007a | 2007b | 2011 | 2016 | 2017 |
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| 2020 | 2021 | |||