1987
1 January
16 February
1 March
16 April
1 May
1 June
16 June
1 August
16 August
16 September
1 November
16 November
1 December
Annual
1 January
16 February
1 March
16 April
1 May
1 June
16 June
1 August
16 August
16 September
1 November
16 November
1 December