| 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) | 0.82 | 0.83 | 0.84 | 0.86 | 0.89 | 0.92 | 0.94 | 0.96 | 0.97 |
   6 years (72-83 months) | 0.81 | 0.82 | 0.84 | 0.86 | 0.89 | 0.92 | 0.94 | 0.96 | 0.97 |
   7 years (84-95 months) | 0.80 | 0.81 | 0.83 | 0.86 | 0.88 | 0.91 | 0.94 | 0.96 | 0.97 |
   8 years (96-107 months) | 0.80 | 0.81 | 0.82 | 0.85 | 0.88 | 0.91 | 0.94 | 0.96 | 0.97 |
   9 years (108-119 months) | 0.79 | 0.80 | 0.82 | 0.85 | 0.88 | 0.91 | 0.94 | 0.96 | 0.97 |
   10 years (120-131 months) | 0.78 | 0.79 | 0.81 | 0.84 | 0.88 | 0.91 | 0.94 | 0.96 | 0.97 |
   11 years (132-143 months) | 0.77 | 0.79 | 0.81 | 0.84 | 0.88 | 0.91 | 0.94 | 0.96 | 0.97 |
   12 years (144-155 months) | 0.77 | 0.78 | 0.80 | 0.84 | 0.87 | 0.91 | 0.94 | 0.96 | 0.97 |
Girls (n = 883) | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   5 years (61-71 months) | 0.76 | 0.77 | 0.79 | 0.82 | 0.85 | 0.89 | 0.93 | 0.95 | 0.97 |
   6 years (72-83 months) | 0.76 | 0.77 | 0.79 | 0.82 | 0.86 | 0.9 | 0.93 | 0.96 | 0.97 |
   7 years (84-95 months) | 0.76 | 0.77 | 0.79 | 0.82 | 0.86 | 0.9 | 0.94 | 0.96 | 0.98 |
   8 years (96-107 months) | 0.75 | 0.76 | 0.78 | 0.82 | 0.86 | 0.9 | 0.94 | 0.97 | 0.98 |
   9 years (108-119 months) | 0.75 | 0.76 | 0.78 | 0.81 | 0.85 | 0.89 | 0.93 | 0.96 | 0.98 |
   10 years (120-131 months) | 0.73 | 0.74 | 0.76 | 0.79 | 0.83 | 0.88 | 0.92 | 0.95 | 0.97 |
   11 years (132-143 months) | 0.72 | 0.73 | 0.74 | 0.78 | 0.82 | 0.86 | 0.90 | 0.93 | 0.95 |
   12 years (144-155 months) | 0.70 | 0.71 | 0.73 | 0.76 | 0.80 | 0.84 | 0.89 | 0.92 | 0.94 |