| Value | Category | Cases | |
|---|---|---|---|
| 0 | 994 |
68.4%
|
|
| 1 | 315 |
21.7%
|
|
| 2 | 116 |
8%
|
|
| 3 | 19 |
1.3%
|
|
| 4 | 5 |
0.3%
|
|
| 5 | 2 |
0.1%
|
|
| 6 | 3 |
0.2%
|
|
| Sysmiss | 109 |