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June 22, 1960
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June 19, 1963
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July 4, 1969
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December 26, 1973
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June 20, 1975
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February 9, 1976
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June 25, 1976
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November 20, 1976
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December 8, 1978
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August 15, 1979
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May 21, 1980
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May 22, 1981
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June 12, 1981
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May 21, 1982
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May 14, 1982
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June 1, 1984
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March 22, 1984
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May 23, 1984
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July 8, 1985
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March 7, 1986
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May 23, 1986
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March 6, 1987
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March 27, 1987
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June 26, 1987
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June 12, 1987
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November 13, 1987
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June 21, 1989
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August 12, 1988
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December 9, 1988
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April 21, 1989
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June 1, 1990
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July 3, 1990
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July 12, 1991
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May 22, 1992
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October 23, 1992
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July 10, 1992
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February 12, 1993
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August 28, 1992
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September 25, 1992
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October 9, 1992
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November 13, 1992
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May 28, 1993
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June 11, 1993
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October 8, 1993
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November 10, 1993
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December 25, 1993
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May 11, 1994
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May 20, 1994
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July 6, 1994
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November 18, 1994