| | | 313 | | | …… | | | | | | 1983 | | 6 2007 4 | | | | | | | | | | | | | | | | 2.5 75% | 25% | 1.0 5.0 | 75% 25% | | | | 4 | 2 | | | | | | | | | | | | | | | | 2011 4 | 8 | | | | | |