| Value | Category | Cases | |
|---|---|---|---|
| 0 | 243 |
83.2%
|
|
| 1 | 40 |
13.7%
|
|
| 2 | 5 |
1.7%
|
|
| 3 | 2 |
0.7%
|
|
| 4 | 1 |
0.3%
|
|
| 6 | 1 |
0.3%
|
|
| Sysmiss | 18 |