| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2587 |
65.4%
|
|
| 1 | 793 |
20%
|
|
| 2 | 399 |
10.1%
|
|
| 3 | 112 |
2.8%
|
|
| 4 | 30 |
0.8%
|
|
| 5 | 18 |
0.5%
|
|
| 7 | 17 |
0.4%
|
|
| Sysmiss | 488 |