| Value | Category | Cases | |
|---|---|---|---|
| 0 | 797 |
84.4%
|
|
| 1 | 113 |
12%
|
|
| 2 | 28 |
3%
|
|
| 3 | 4 |
0.4%
|
|
| 5 | 1 |
0.1%
|
|
| 20 | 1 |
0.1%
|
|
| Sysmiss | 1 |