A.5% B.6% C.3% D.4% E.2%
A.減少5%~8% B.減少10%~20% C.減少3% D.減少25%~30% E.減少30%~35%
A.1%~3% B.3%~5% C.5%~7% D.7%~9% E.9%~11%