| Value | Category | Cases | |
|---|---|---|---|
| 0 | 662 |
78.2%
|
|
| 1 | 150 |
17.7%
|
|
| 2 | 18 |
2.1%
|
|
| 3 | 7 |
0.8%
|
|
| 4 | 4 |
0.5%
|
|
| 5 | 4 |
0.5%
|
|
| 6 | 1 |
0.1%
|
|
| 8 | 1 |
0.1%
|
|
| Sysmiss | 1081 |