| Value | Category | Cases | |
|---|---|---|---|
| 8 | 11 |
3.2%
|
|
| 9 | 42 |
12.1%
|
|
| 10 | 61 |
17.5%
|
|
| 11 | 67 |
19.3%
|
|
| 12 | 43 |
12.4%
|
|
| 13 | 40 |
11.5%
|
|
| 14 | 46 |
13.2%
|
|
| 15 | 17 |
4.9%
|
|
| 16 | 11 |
3.2%
|
|
| 17 | 6 |
1.7%
|
|
| 18 | 2 |
0.6%
|
|
| 20 | 1 |
0.3%
|
|
| 23 | 1 |
0.3%
|
|
| Sysmiss | 14 |