| | | | 1979 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1965 | 15 | 15 | | | | | | | | | | | | | | | | | 1975 1979 | 279 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1982 | 15000 1983 | 15370 | 1992 35000 11000 | 1995 | 2012 10000 | 2016 | 30000 | | | | | | | | | | | | | | | | | | | |