| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 1905 |
23.1%
|
| 2 | NO | 6334 |
76.8%
|
| 4 | 1 |
0%
|
|
| 11 | 2 |
0%
|
|
| 12 | 1 |
0%
|
|
| 21 | 3 |
0%
|
|
| 99 | 4 |
0%
|
|
| Sysmiss | 36811 |