| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 135933 |
99.6%
|
| 2 | Yes, mild | 435 |
0.3%
|
| 3 | Yes, severe | 159 |
0.1%
|
| 4 | MISSING | 0 |
0%
|
| Sysmiss | 252 |