| Value | Category | Cases | |
|---|---|---|---|
| 0 | 257 |
12.9%
|
|
| 1 | 836 |
42%
|
|
| 2 | 619 |
31.1%
|
|
| 3 | 211 |
10.6%
|
|
| 4 | 51 |
2.6%
|
|
| 5 | 9 |
0.5%
|
|
| 6 | 5 |
0.3%
|
|
| 8 | 1 |
0.1%
|
|
| Sysmiss | 11 |