30x03: 8 February 1989
30x02: 6 February 1989
30x01: 1 February 1989
29x07: 7 December 1988
29x06: 5 December 1988
29x05: 9 November 1988
29x03: 1 August 1988
29x02: 13 June 1988
29x01: 2 March 1988
28x04: 5 August 1987