3 August 1989

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1 September 1989

2 September 1989

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30 September 1989

1 October 1989

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30 October 1989

31 October 1989

↓

28 November 1989

29 November 1989

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28 December 1989

29 December 1989

↓

26 January 1990

27 January 1990

↓

25 February 1990

26 February 1990

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26 March 1990

27 March 1990

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25 April 1990

26 April 1990

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24 May 1990

25 May 1990

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23 June 1990

24 June 1990

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22 July 1990