| Value | Category | Cases | |
|---|---|---|---|
| 13 | 11 |
12%
|
|
| 14 | 20 |
21.7%
|
|
| 15 | 27 |
29.3%
|
|
| 16 | 10 |
10.9%
|
|
| 17 | 7 |
7.6%
|
|
| 18 | 5 |
5.4%
|
|
| 19 | 3 |
3.3%
|
|
| 20 | 1 |
1.1%
|
|
| 21 | 6 |
6.5%
|
|
| 23 | 2 |
2.2%
|
|
| Sysmiss | 7496 |