| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 |
4.5%
|
|
| 1 | 139 |
78.1%
|
|
| 2 | 17 |
9.6%
|
|
| 3 | 5 |
2.8%
|
|
| 4 | 3 |
1.7%
|
|
| 5 | 1 |
0.6%
|
|
| 8 | 1 |
0.6%
|
|
| 9 | 1 |
0.6%
|
|
| 10 | 2 |
1.1%
|
|
| 20 | 1 |
0.6%
|
|
| Sysmiss | 9500 |