Status | Start date | End date |
---|---|---|
Completed | 12-03-1975 | 14-02-1979 |
Completed | 15-02-1979 | 16-05-1979 |
Completed | 17-05-1979 | 12-12-1979 |
Completed | 13-12-1979 | 26-11-1980 |
Completed | 27-11-1980 | 28-03-1984 |
Completed | 29-03-1984 | 28-03-1994 |
Finished | 29-03-1994 |