| Value | Category |
|---|---|
| 1 | Aged 0-4 years |
| 2 | Aged 5-9 years |
| 3 | Aged 10-14 years |
| 4 | Aged 15-19 years |
| 5 | Aged 20-24 years |
| 6 | Aged 25-29 years |
| 7 | Aged 30-34 years |
| 8 | Aged 35-39 years |
| 9 | Aged 40-44 years |
| 10 | Aged 45-49 years |
| 11 | Aged 50-54 years |
| 12 | Aged 55-59 years |
| 13 | Aged 60-64 years |
| 14 | Aged 65-69 years |
| 15 | Aged 70-74 years |
| 16 | Aged 75 years and over |