| Value | Category | Cases | |
|---|---|---|---|
| 0 | 19 |
12.6%
|
|
| 1 | 123 |
81.5%
|
|
| 2 | 7 |
4.6%
|
|
| 3 | 1 |
0.7%
|
|
| 6 | 1 |
0.7%
|
|
| Sysmiss | 2797 |