51x69 cm (20x27 in) 1983
61x64 cm (24x25 in) 1981
56x77 cm (22x30 in) 1980
64x69 cm (25x27 in) 1980
56x77 cm (22x30 in) 1980
66x74 cm (22x29 in) 1979
66x74 cm (22x29 in) 1979
64x69 cm (25x27 in) 1975
64x69 cm (25x27 in) 1974
64x69 cm (25x27 in) 1972
64x69 cm (25x27 in) 1972
64x69 cm (25x27 in) 1972