| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3931 |
94.1%
|
|
| 1 | 4 |
0.1%
|
|
| 98 | 8 |
0.2%
|
|
| 99 | 3 |
0.1%
|
|
| Missing value | 230 |
5.5%
|