| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
0.4%
|
|
| 2 | 240 |
88.9%
|
|
| 3 | 16 |
5.9%
|
|
| 4 | 7 |
2.6%
|
|
| 5 | 2 |
0.7%
|
|
| 6 | 4 |
1.5%
|
|
| Sysmiss | 1461 |