| Value | Category | Cases | |
|---|---|---|---|
| 0 | 655 |
30.6%
|
|
| 1 | 246 |
11.5%
|
|
| 2 | 256 |
11.9%
|
|
| 3 | 274 |
12.8%
|
|
| 4 | 220 |
10.3%
|
|
| 5 | 67 |
3.1%
|
|
| 6 | 27 |
1.3%
|
|
| 7 | 394 |
18.4%
|
|
| 9 | ND | 5 |
0.2%
|
| Sysmiss | 2186 |