| Value | Category | Cases | |
|---|---|---|---|
| 0 | 276 |
14.6%
|
|
| 1 | 143 |
7.6%
|
|
| 2 | 1306 |
69.2%
|
|
| 3 | 161 |
8.5%
|
|
| 9 | 2 |
0.1%
|
|
| Sysmiss | 29973 |