Characteristics | Percentiles | ||||||||
---|---|---|---|---|---|---|---|---|---|
 | 3rd | 5th | 10th | 25th | 50th | 75th | 90th | 95th | 97th |
Boys (n = 977) | Â | Â | Â | Â | Â | Â | Â | Â | Â |
5 years (61-71 months) | 14.0 | 14.4 | 15.1 | 16.6 | 18.6 | 21.1 | 24.2 | 26.5 | 28.3 |
6 years (72-83 months) | 15.4 | 15.9 | 16.8 | 18.4 | 20.8 | 23.8 | 27.4 | 30.1 | 32.2 |
7 years (84-95 months) | 17.0 | 17.5 | 18.5 | 20.5 | 23.2 | 26.7 | 30.9 | 34.2 | 36.7 |
8 years (96-107 months) | 18.5 | 19.2 | 20.3 | 22.5 | 25.6 | 29.7 | 34.7 | 38.5 | 41.4 |
9 years (108-119 months) | 19.9 | 20.7 | 22.0 | 24.5 | 28.0 | 32.7 | 38.3 | 42.7 | 46.2 |
10 years (120-131 months) | 21.1 | 22.0 | 23.4 | 26.2 | 30.1 | 35.3 | 41.7 | 46.7 | 50.6 |
11 years (132-143 months) | 22.1 | 23.0 | 24.6 | 27.6 | 32.0 | 37.7 | 44.8 | 50.3 | 54.6 |
12 years (144-155 months) | 22.9 | 23.9 | 25.5 | 28.8 | 33.5 | 39.8 | 47.5 | 53.5 | 58.2 |
Girls (n = 883) | Â | Â | Â | Â | Â | Â | Â | Â | Â |
5 years (61-71 months) | 13.8 | 14.2 | 14.9 | 16.2 | 18.0 | 20.3 | 22.9 | 24.8 | 26.2 |
6 years (72-83 months) | 15.2 | 15.7 | 16.5 | 18.1 | 20.3 | 23.1 | 26.5 | 29.0 | 31.0 |
7 years (84-95 months) | 16.6 | 17.2 | 18.2 | 20.1 | 22.8 | 26.3 | 30.6 | 33.8 | 36.4 |
8 years (96-107 months) | 18.1 | 18.7 | 19.9 | 22.2 | 25.4 | 29.8 | 35.1 | 39.3 | 42.6 |
9 years (108-119 months) | 19.6 | 20.4 | 21.7 | 24.4 | 28.3 | 33.5 | 40.1 | 45.4 | 49.5 |
10 years (120-131 months) | 21.0 | 21.9 | 23.5 | 26.7 | 31.2 | 37.5 | 45.5 | 51.9 | 57.1 |
11 years (132-143 months) | 22.3 | 23.4 | 25.2 | 28.8 | 34.2 | 41.5 | 51.0 | 58.8 | 65.1 |
12 years (144-155 months) | 23.5 | 24.7 | 26.7 | 30.8 | 36.9 | 45.4 | 56.5 | 65.7 | 73.1 |