25 August 1987

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23 September 1987

24 September 1987

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22 October 1987

23 October 1987

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21 November 1987

22 November 1987

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20 December 1987

21 December 1987

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19 January 1988

20 January 1988

↓

17 February 1988

18 February 1988

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18 March 1988

19 March 1988

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16 April 1988

17 April 1988

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16 May 1988

17 May 1988

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14 June 1988

15 June 1988

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14 July 1988

15 July 1988

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12 August 1988