166 28 92 2 80 90 189 243 28.51% 56.59% 9.55% 4 80 3.59 90 3.05 15.1% 80 23.63% 90 3.23 3 151 114 96 80 90 10 58% ( ) 88 89 90 80 7.5% 89 5.8% 90 2.8% 90