| Value | Category | Cases | |
|---|---|---|---|
| 0 | 182 |
8.4%
|
|
| 1 | 1211 |
55.7%
|
|
| 2 | 540 |
24.8%
|
|
| 3 | 160 |
7.4%
|
|
| 4 | 59 |
2.7%
|
|
| 5 | 16 |
0.7%
|
|
| 6 | 2 |
0.1%
|
|
| 7 | 4 |
0.2%
|
|
| Sysmiss | 4596 |