| Value | Category | Cases | |
|---|---|---|---|
| 0 | 52 |
1.4%
|
|
| 1 | 3249 |
84.4%
|
|
| 2 | 375 |
9.7%
|
|
| 3 | 154 |
4%
|
|
| 4 | 19 |
0.5%
|
|
| Sysmiss | 8387 |