| Value | Category | Cases | |
|---|---|---|---|
| 0 | 493 |
67.4%
|
|
| 1 | 195 |
26.7%
|
|
| 2 | 31 |
4.2%
|
|
| 3 | 10 |
1.4%
|
|
| 4 | 2 |
0.3%
|
|
| Sysmiss | 2193 |