Characteristics | Percentiles | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
 | 3rd | 5th | 10th | 25th | 50th | 75th | 85th | 90th | 95th | 97th |
Boys (n = 977) | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
5 years (61-71 months) | 11.7 | 12.0 | 12.5 | 12.5 | 13.4 | 14.6 | 16.1 | 17.0 | 17.7 | 19.6 |
6 years (72-83 months) | 11.7 | 12.0 | 12.6 | 12.6 | 13.6 | 14.9 | 16.5 | 17.5 | 18.2 | 20.2 |
7 years (84-95 months) | 11.8 | 12.2 | 12.8 | 12.8 | 13.9 | 15.3 | 17.0 | 18.0 | 18.8 | 20.8 |
8 years (96-107 months) | 11.8 | 12.2 | 12.9 | 12.9 | 14.1 | 15.7 | 17.5 | 18.6 | 19.3 | 21.4 |
9 years (108-119 months) | 11.8 | 12.3 | 13.0 | 13.0 | 14.3 | 16.0 | 17.9 | 19.0 | 19.9 | 22.0 |
10 years (120-131 months) | 11.7 | 12.2 | 13.0 | 13.0 | 14.5 | 16.3 | 18.3 | 19.5 | 20.3 | 22.5 |
11 years (132-143 months) | 11.5 | 12.1 | 13.0 | 13.0 | 14.6 | 16.5 | 18.6 | 19.8 | 20.7 | 22.8 |
12 years (144-155 months) | 11.1 | 11.8 | 12.8 | 12.8 | 14.6 | 16.7 | 18.9 | 20.2 | 21.0 | 23.1 |
Girls (n = 883) | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
5 years (61-71 months) | 11.7 | 11.9 | 12.3 | 12.9 | 13.8 | 14.8 | 15.4 | 15.9 | 16.7 | 17.3 |
6 years (72-83 months) | 11.8 | 12.1 | 12.5 | 13.2 | 14.2 | 15.4 | 16.2 | 16.8 | 17.8 | 18.6 |
7 years (84-95 months) | 12.0 | 12.2 | 12.7 | 13.5 | 14.7 | 16.1 | 17.1 | 17.8 | 19.1 | 20.1 |
8 years (96-107 months) | 12.2 | 12.4 | 12.9 | 13.9 | 15.2 | 16.9 | 18.1 | 19.0 | 20.6 | 21.9 |
9 years (108-119 months) | 12.3 | 12.6 | 13.2 | 14.2 | 15.7 | 17.7 | 19.1 | 20.2 | 22.2 | 23.8 |
10 years (120-131 months) | 12.5 | 12.8 | 13.4 | 14.6 | 16.2 | 18.5 | 20.1 | 21.4 | 23.8 | 25.9 |
11 years (132-143 months) | 12.6 | 12.9 | 13.6 | 14.8 | 16.7 | 19.2 | 21.1 | 22.6 | 25.5 | 28.0 |
12 years (144-155 months) | 12.7 | 13.1 | 13.8 | 15.2 | 17.3 | 20.3 | 22.5 | 24.4 | 28.1 | 31.4 |