| Value | Category | Cases | |
|---|---|---|---|
| 1 | 138 |
2.6%
|
|
| 2 | 185 |
3.5%
|
|
| 3 | 147 |
2.8%
|
|
| 4 | 4778 |
90.7%
|
|
| 9 | NSP | 18 |
0.3%
|
| Sysmiss | 26417 |