| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Good understanding | 21947 | 22795 |
86.1%
|
| 2 | Fair understanding | 2722 | 2830 |
10.7%
|
| 3 | Poor understanding | 582 | 592 |
2.2%
|
| 8 | Don’t know | 0 | 0 |
0%
|
| 9 | Missing value | 56 | 62 |
0.2%
|
| Sysmiss | 149 | 183 |