| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.5%
|
|
| 1 | 310 |
70.8%
|
|
| 2 | 113 |
25.8%
|
|
| 3 | 4 |
0.9%
|
|
| 4 | 3 |
0.7%
|
|
| 5 | 5 |
1.1%
|
|
| 6 | 1 |
0.2%
|
|
| Sysmiss | 1219 |