| | | | 30～60 | | | ︹ ︺ 4～7 | | | 1～2 | | | | | | | | | ︹ ︺ | | | | | | | 3% 20% | 2% | ︹ ︺ 2%～3% | 2%～3% | | | | | | | | | | | | | |