| Value | Category | Cases | |
|---|---|---|---|
| 0 | 488 |
31.5%
|
|
| 1 | 784 |
50.6%
|
|
| 2 | 228 |
14.7%
|
|
| 3 | 30 |
1.9%
|
|
| 4 | 14 |
0.9%
|
|
| 5 | 3 |
0.2%
|
|
| 6 | 2 |
0.1%
|
|
| Sysmiss | 15 |