Height/m

Number

Percentage

0.2

42

19.7%

0.4

73

34.3%

0.6

46

21.6%

0.8

8

3.8%

1

9

4.2%

1.2

1

0.5%

1.4

3

1.4%

1.6

8

3.8%

1.8

7

3.3%

2

13

6.1%

3

1

0.5%

4

2

0.9%