| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
1.7%
|
|
| 3 | 2 |
3.4%
|
|
| 4 | 10 |
17.2%
|
|
| 5 | 18 |
31%
|
|
| 6 | 13 |
22.4%
|
|
| 7 | 6 |
10.3%
|
|
| 8 | 1 |
1.7%
|
|
| 9 | 2 |
3.4%
|
|
| 10 | 3 |
5.2%
|
|
| 15 | 1 |
1.7%
|
|
| 18 | 1 |
1.7%
|
|
| Sysmiss | 941 |