| Value | Category | Cases | |
|---|---|---|---|
| 0 | 273 |
38.7%
|
|
| 1 | 117 |
16.6%
|
|
| 2 | 159 |
22.6%
|
|
| 3 | 100 |
14.2%
|
|
| 4 | 38 |
5.4%
|
|
| 5 | 15 |
2.1%
|
|
| 6 | 2 |
0.3%
|
|
| 8 | 1 |
0.1%
|
|
| Sysmiss | 94 |