| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. No difficulty | 143676 |
91.4%
|
| 2 | 2. Some difficulty | 1507 |
1%
|
| 3 | 3. A lot of difficulty | 612 |
0.4%
|
| 4 | 4. Unable to do | 894 |
0.6%
|
| 5 | 5. Do not know | 95 |
0.1%
|
| 6 | 6. Cannot yet be determined | 8442 |
5.4%
|
| 9 | 9. Unspecified | 2047 |
1.3%
|