| Value | Category | Cases | |
|---|---|---|---|
| 0 | 62 |
70.5%
|
|
| 1 | 18 |
20.5%
|
|
| 2 | 5 |
5.7%
|
|
| 4 | 1 |
1.1%
|
|
| 6 | 1 |
1.1%
|
|
| 10 | 1 |
1.1%
|
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 1637 |