| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.5%
|
|
| 1 | 263 |
64.9%
|
|
| 2 | 111 |
27.4%
|
|
| 3 | 10 |
2.5%
|
|
| 4 | 14 |
3.5%
|
|
| 5 | 3 |
0.7%
|
|
| 6 | 2 |
0.5%
|
|
| Sysmiss | 1453 |