| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than K10 | 934 |
14.4%
|
| 2 | K10-K14 | 397 |
6.1%
|
| 3 | K15-K19 | 182 |
2.8%
|
| 4 | K20-K24 | 239 |
3.7%
|
| 5 | K25-K29 | 61 |
0.9%
|
| 6 | K30-K34 | 114 |
1.8%
|
| 7 | K35 and above | 238 |
3.7%
|
| 8 | I don't know | 4300 |
66.5%
|
| Sysmiss | 34 |