| Value | Category | Cases | |
|---|---|---|---|
| 0 | 981 |
90.9%
|
|
| 1 | 75 |
7%
|
|
| 2 | 12 |
1.1%
|
|
| 3 | 2 |
0.2%
|
|
| 4 | 3 |
0.3%
|
|
| 5 | 3 |
0.3%
|
|
| 6 | 1 |
0.1%
|
|
| 9 | 1 |
0.1%
|
|
| 20 | 1 |
0.1%
|
|
| Sysmiss | 189 |