| | | | | 20 | | | | | | | | | | | | | | | | | | | | | | 180 5766 | 4809 | | | | | | | | | | | | 20 | | | | | | | | | | | | | | | 2000 6.8% 37.9% | 2000 30% | 85% | | | | | | | |