| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2159 |
90.7%
|
|
| 1 | 200 |
8.4%
|
|
| 2 | 13 |
0.5%
|
|
| 3 | 2 |
0.1%
|
|
| 4 | 6 |
0.3%
|
|
| Sysmiss | 947 |