Table 1.
Child's age | Boys | Girls | Child's age | Boys | Girls |
---|---|---|---|---|---|
6 | 17.7 | 17.5 | 12.5 | 24.7 | 24.5 |
6.5 | 18.1 | 18.0 | 13 | 25.2 | 25.0 |
7 | 18.7 | 18.5 | 13.5 | 25.7 | 25.6 |
7.5 | 19.2 | 19.0 | 14 | 26.1 | 25.9 |
8 | 19.7 | 19.4 | 14.5 | 26.4 | 26.3 |
8.5 | 20.3 | 19.9 | 15 | 26.6 | 26.6 |
9 | 20.8 | 20.4 | 15.5 | 26.9 | 26.9 |
9.5 | 21.4 | 21.0 | 16 | 27.1 | 27.1 |
10 | 21.9 | 21.5 | 16.5 | 27.4 | 27.4 |
10.5 | 22.5 | 22.1 | 17 | 27.6 | 27.6 |
11 | 23.0 | 22.7 | 17.5 | 27.8 | 27.8 |
11.5 | 23.6 | 23.3 | 18 | 28.0 | 28.0 |
12 | 24.1 | 23.9 |