11 December 1977

↓

9 January 1978

10 January 1978

↓

7 February 1978

8 February 1978

↓

9 March 1978

10 March 1978

↓

7 April 1978

8 April 1978

↓

7 May 1978

8 May 1978

↓

5 June 1978

6 June 1978

↓

5 July 1978

6 July 1978

↓

3 August 1978

4 August 1978

↓

2 September 1978

3 September 1978

↓

1 October 1978

2 October 1978

↓

31 October 1978

1 November 1978

↓

30 November 1978