| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 340 |
79.6%
|
| 2 | Yes, minor difficulties | 66 |
15.5%
|
| 3 | Yes, moderate difficulties | 15 |
3.5%
|
| 4 | Yes, severe difficulties | 5 |
1.2%
|
| 9 | 1 |
0.2%
|