| Value | Category | Cases | |
|---|---|---|---|
| 0 | 275 |
47.5%
|
|
| 1 | 257 |
44.4%
|
|
| 2 | 33 |
5.7%
|
|
| 3 | 7 |
1.2%
|
|
| 4 | 4 |
0.7%
|
|
| 5 | 2 |
0.3%
|
|
| 6 | 1 |
0.2%
|
|
| Sysmiss | 6600 |