63

125

250

500

1000

2000

4000

8000

18.1

15

18.3

26.8

37.5

29.5

35.8

36.1

4.1

2.7

3.3

2.0

4.1

2.9

3.3

5.8

14

12.3

15

24.8

33.4

26.6

32.5

30.3