| Value | Category | Cases | |
|---|---|---|---|
| 0 | 231 |
79.1%
|
|
| 1 | 32 |
11%
|
|
| 2 | 15 |
5.1%
|
|
| 3 | 8 |
2.7%
|
|
| 5 | 2 |
0.7%
|
|
| 6 | 2 |
0.7%
|
|
| 14 | 1 |
0.3%
|
|
| 17 | 1 |
0.3%
|
|
| Sysmiss | 208 |