| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | None | 1371358 | 13713580 |
97.2%
|
| 2 | Some difficulty | 31685 | 316850 |
2.2%
|
| 3 | Major difficulty | 5956 | 59560 |
0.4%
|
| 4 | Fully disabled | 1861 | 18610 |
0.1%
|
| 9 | Not Stated | 0 | 0 |
0%
|
| Sysmiss | 144361 | 1443610 |