| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1820 |
93.5%
|
|
| 1 | 80 |
4.1%
|
|
| 4 | 12 |
0.6%
|
|
| 5 | 12 |
0.6%
|
|
| 6 | 23 |
1.2%
|
|
| Sysmiss | 2591 |