| Value | Category | Cases | |
|---|---|---|---|
| 0 | 5500 |
4%
|
|
| 1 | 20427 |
15%
|
|
| 2 | 24675 |
18.1%
|
|
| 3 | 19642 |
14.4%
|
|
| 4 | 14548 |
10.7%
|
|
| 5 | 27588 |
20.2%
|
|
| 6 | 23610 |
17.3%
|
|
| 98 | don't know | 250 |
0.2%
|
| Sysmiss | 26219 |