| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. No difficulty | 148220 |
94.2%
|
| 2 | 2. Some difficulty | 3656 |
2.3%
|
| 3 | 3. A lot of difficulty | 767 |
0.5%
|
| 4 | 4. Unable to do | 202 |
0.1%
|
| 5 | 5. Do not know | 48 |
0%
|
| 6 | 6. Cannot yet be determined | 2772 |
1.8%
|
| 9 | 9. Unspecified | 1608 |
1%
|