3 to 4 - 1 sample had a value in this range
4 to 5 - 1 sample had a value in this range
5 to 6 - 2 samples had a value in this range
6 to 7 - 4 samples had a value in this range
7 to 8 - 6 samples had a value in this range
8 to 9 - 7 samples had a value in this range
9 to 10 - 7 samples had a value in this range
10 to 11 - 4 samples had a value in this range
11 to 12 - 4 samples had a value in this range
12 to 13 - 3 samples had a value in this range
13 to 14 - 1 sample had a value in this range