| Value | Category | Cases | |
|---|---|---|---|
| 00 | 00 | 772 |
77.4%
|
| 01 | 01 | 147 |
14.7%
|
| 02 | 02 | 62 |
6.2%
|
| 03 | 03 | 13 |
1.3%
|
| 04 | 04 | 4 |
0.4%
|
| Sysmiss | 2 |