| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1222 |
64.6%
|
|
| 1 | 486 |
25.7%
|
|
| 2 | 167 |
8.8%
|
|
| 3 | 14 |
0.7%
|
|
| 4 | 2 |
0.1%
|
|
| Sysmiss | 92 |