| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing | 0 |
0%
|
| 0 | 11 |
5.5%
|
|
| 10 | 1 |
0.5%
|
|
| 13 | 1 |
0.5%
|
|
| 14 | 1 |
0.5%
|
|
| 15 | 1 |
0.5%
|
|
| 16 | 3 |
1.5%
|
|
| 17 | 1 |
0.5%
|
|
| 18 | 14 |
7%
|
|
| 19 | 34 |
17%
|
|
| 20 | 96 |
48%
|
|
| 21 | 23 |
11.5%
|
|
| 22 | 3 |
1.5%
|
|
| 23 | 3 |
1.5%
|
|
| 25 | 1 |
0.5%
|
|
| 28 | 1 |
0.5%
|
|
| 99 | Not available | 6 |
3%
|