| Value | Category | Cases | |
|---|---|---|---|
| 0 | 312 |
83.6%
|
|
| 1 | 19 |
5.1%
|
|
| 2 | 19 |
5.1%
|
|
| 3 | 8 |
2.1%
|
|
| 4 | 4 |
1.1%
|
|
| 5 | 1 |
0.3%
|
|
| 6 | 3 |
0.8%
|
|
| 8 | 2 |
0.5%
|
|
| 10 | 2 |
0.5%
|
|
| 15 | 1 |
0.3%
|
|
| 20 | 2 |
0.5%
|
|
| Sysmiss | 19883 |