| Value | Category | Cases | |
|---|---|---|---|
| 0 | 219 |
28.7%
|
|
| 1 | 319 |
41.8%
|
|
| 2 | 159 |
20.8%
|
|
| 3 | 50 |
6.5%
|
|
| 4 | 10 |
1.3%
|
|
| 5 | 6 |
0.8%
|
|
| 7 | 1 |
0.1%
|
|
| Sysmiss | 327 |