| Value | Category | Cases | |
|---|---|---|---|
| 0 | 17 |
0.5%
|
|
| 1 | 1423 |
44.1%
|
|
| 2 | 1648 |
51.1%
|
|
| 3 | 137 |
4.2%
|
|
| Sysmiss | 1554 |