| Value | Category | Cases | |
|---|---|---|---|
| 00 | 00 | 678 |
67.6%
|
| 01 | 01 | 189 |
18.8%
|
| 02 | 02 | 104 |
10.4%
|
| 03 | 03 | 25 |
2.5%
|
| 04 | 04 | 6 |
0.6%
|
| 06 | 06 | 1 |
0.1%
|
| Sysmiss | 1 |