| | | | | | | | | | | | | | | | | | 1921 10 | 70 40 14 | | 300 | | 1933 | | | | 1945 8.15 | 40 | | 19461957 | 40 70 26 | | | | 1956 | | 1957 | 14 | | 19581977 | 50 4000 | | | | 1970 | 300500 | | 1976 44 616 232 | 75 | | 1980 1990 | | 600 5000 2 | 2000 | | | |