| | | | | | 1 1 | 50 2 1 | 10 2.5 ％ | 3 10 20 2 | ％ 4 20 50 | 1.5 ％ 5 50 | 100 1 ％ 6 100 | 200 0.9 ％ | 7 200 500 | 0.8 ％ 8 500 1000 | 0.7 ％ 9 1000 | 2000 0.6 ％ | 10 2000 0.5 ％ |