| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 6921 |
88.5%
|
| 1 | 430 |
5.5%
|
|
| 2 | 219 |
2.8%
|
|
| 3 | 124 |
1.6%
|
|
| 4 | 39 |
0.5%
|
|
| 5 | 43 |
0.6%
|
|
| 6 | 17 |
0.2%
|
|
| 7 | 19 |
0.2%
|
|
| 8 | DK | 1 |
0%
|
| 9 | Missing | 3 |
0%
|
| Sysmiss | 103 |