| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. No difficulty | 141036 |
89.7%
|
| 2 | 2. Some difficulty | 2245 |
1.4%
|
| 3 | 3. A lot of difficulty | 1121 |
0.7%
|
| 4 | 4. Unable to do | 2074 |
1.3%
|
| 5 | 5. Do not know | 89 |
0.1%
|
| 6 | 6. Cannot yet be determined | 9043 |
5.7%
|
| 9 | 9. Unspecified | 1665 |
1.1%
|