| Value | Category | Cases | |
|---|---|---|---|
| 00 | 00 | 676 |
68%
|
| 01 | 01 | 156 |
15.7%
|
| 02 | 02 | 114 |
11.5%
|
| 03 | 03 | 42 |
4.2%
|
| 04 | 04 | 6 |
0.6%
|
| Sysmiss | 6 |