| Value | Category | Cases | |
|---|---|---|---|
| 0 | No difficulty | 56468 |
95.8%
|
| 1 | Yes, some difficulty | 1989 |
3.4%
|
| 2 | Yes, major difficulty | 438 |
0.7%
|
| 3 | Not at all | 45 |
0.1%
|