| Value | Category | Cases | |
|---|---|---|---|
| 0 | 213 |
84.9%
|
|
| 1 | 17 |
6.8%
|
|
| 2 | 6 |
2.4%
|
|
| 3 | 7 |
2.8%
|
|
| 4 | 1 |
0.4%
|
|
| 5 | 4 |
1.6%
|
|
| 7 | 1 |
0.4%
|
|
| 12 | 1 |
0.4%
|
|
| 20 | 1 |
0.4%
|
|
| Sysmiss | 49 |