| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7 |
0.2%
|
|
| 1 | Yes | 4215 |
91.6%
|
| 2 | No | 353 |
7.7%
|
| 3 | 22 |
0.5%
|
|
| 4 | 5 |
0.1%
|
|
| Sysmiss | 8310 |