| Value | Category | Cases | |
|---|---|---|---|
| 0 | 250 |
70.8%
|
|
| 1 | 64 |
18.1%
|
|
| 2 | 20 |
5.7%
|
|
| 3 | 7 |
2%
|
|
| 4 | 2 |
0.6%
|
|
| 5 | 1 |
0.3%
|
|
| 6 | 2 |
0.6%
|
|
| 7 | 2 |
0.6%
|
|
| 8 | 2 |
0.6%
|
|
| 9 | 1 |
0.3%
|
|
| 12 | 1 |
0.3%
|
|
| 30 | 1 |
0.3%
|
|
| Sysmiss | 4601 |