| Value | Category | Cases | |
|---|---|---|---|
| 1 | Below 6 | 0 |
0%
|
| 2 | 6 years old | 11 |
2.2%
|
| 3 | 7 years old | 113 |
22.4%
|
| 4 | 8 years old | 203 |
40.3%
|
| 5 | 9 years old | 97 |
19.2%
|
| 6 | 10 years old | 80 |
15.9%
|