| Value | Category | Cases | |
|---|---|---|---|
| 0 | 36 |
6.6%
|
|
| 1 | 350 |
63.8%
|
|
| 2 | 131 |
23.9%
|
|
| 3 | 24 |
4.4%
|
|
| 4 | 6 |
1.1%
|
|
| 6 | 1 |
0.2%
|
|
| 15 | 1 |
0.2%
|
|
| Sysmiss | 1039 |