(1) (2) (3) (4) (5)=(4)-(3) (6) (7)=(5)-(6) (8) (9) (10) (11) (12)=(11)-(10) (13) (14)=(12)-(13) (15) (16) (17)=(16)-(15) (18)=(16)-(9) (17)>=MIN[(7),(14)] … 2015 25.7% 47.0% 39.0% 39.5% 0.5%-p 0.2%-p 0.3%-p 52.0% 56.5% 62.2% 63.2% 1.0%-p 0.5%-p 0.5%-p 71.0% 71.6% 0.6%-p 15.1%-p