| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1966 |
8.2%
|
|
| 1 | 17594 |
73%
|
|
| 2 | 4113 |
17.1%
|
|
| 3 | 402 |
1.7%
|
|
| 4 | 42 |
0.2%
|
|
| Sysmiss | 72 |