| Value | Category | Cases | |
|---|---|---|---|
| 0 | 20 |
5.5%
|
|
| 1 | 284 |
77.8%
|
|
| 2 | 37 |
10.1%
|
|
| 3 | 10 |
2.7%
|
|
| 4 | 4 |
1.1%
|
|
| 5 | 5 |
1.4%
|
|
| 6 | 1 |
0.3%
|
|
| 7 | 2 |
0.5%
|
|
| 9 | 1 |
0.3%
|
|
| 15 | 1 |
0.3%
|
|
| Sysmiss | 9338 |