| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1440 |
95.2%
|
|
| 1 | 51 |
3.4%
|
|
| 2 | 12 |
0.8%
|
|
| 3 | 6 |
0.4%
|
|
| 4 | 3 |
0.2%
|
|
| Sysmiss | 7431 |