| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
0.4%
|
|
| 2 | 2 |
0.8%
|
|
| 3 | 171 |
69.5%
|
|
| 4 | 52 |
21.1%
|
|
| 5 | 8 |
3.3%
|
|
| 6 | 11 |
4.5%
|
|
| 8 | 1 |
0.4%
|
|
| Sysmiss | 4938 |