| Value | Category | Cases | |
|---|---|---|---|
| 0 | 11 |
0.6%
|
|
| 1 | 1939 |
97.3%
|
|
| 2 | 37 |
1.9%
|
|
| 3 | 3 |
0.2%
|
|
| 5 | 1 |
0.1%
|
|
| 9 | 2 |
0.1%
|
|
| Sysmiss | 4 |