1971, 17 April
1971, 20 May
1971, 11 July
1972, 2 January
1972, 17 September
1972, 06 December
1972, 09 December
1973, 08 February
1973, 13 March
1973, 20 June
1973, 01 October
1974, 23 February
1974, 27 March
1974, 19 April
1974, 29 May
1974, 11 July
1975, 03 January
1975, 12 January
1975, 13 January
1975, 13 February
1975, 07 May
1975, 27 May
1975, 10 November
1976, 04 January
1976, 12 January
1976, 06 March
1976, 08 March
1976, 16 May