| Value | Category | Cases | |
|---|---|---|---|
| 0 | 31 |
2.2%
|
|
| 1 | 1272 |
89.1%
|
|
| 2 | 96 |
6.7%
|
|
| 3 | 25 |
1.8%
|
|
| 4 | 2 |
0.1%
|
|
| 5 | 2 |
0.1%
|
|
| Sysmiss | 9288 |