| Value | Category | Cases | |
|---|---|---|---|
| 0 | 208 |
79.4%
|
|
| 1 | 13 |
5%
|
|
| 2 | 25 |
9.5%
|
|
| 3 | 2 |
0.8%
|
|
| 4 | 4 |
1.5%
|
|
| 5 | 3 |
1.1%
|
|
| 6 | 2 |
0.8%
|
|
| 10 | 3 |
1.1%
|
|
| 15 | 1 |
0.4%
|
|
| 20 | 1 |
0.4%
|
|
| Sysmiss | 1689 |