| Value | Category | Cases | |
|---|---|---|---|
| 0 | 155 |
89.6%
|
|
| 1 | 1 |
0.6%
|
|
| 2 | 6 |
3.5%
|
|
| 3 | 4 |
2.3%
|
|
| 4 | 4 |
2.3%
|
|
| 5 | 1 |
0.6%
|
|
| 6 | 1 |
0.6%
|
|
| 21 | 1 |
0.6%
|
|
| Sysmiss | 2376 |