| Value | Category | Cases | |
|---|---|---|---|
| 0 | 144 |
28%
|
|
| 1 | 289 |
56.1%
|
|
| 2 | 50 |
9.7%
|
|
| 3 | 21 |
4.1%
|
|
| 4 | 6 |
1.2%
|
|
| 5 | 3 |
0.6%
|
|
| 6 | 2 |
0.4%
|
|
| Sysmiss | 12921 |