| Value | Category | Cases | |
|---|---|---|---|
| 1 | With great difficulty | 2800 |
36%
|
| 2 | With difficulty | 2670 |
34.4%
|
| 3 | With some difficulty | 1979 |
25.5%
|
| 4 | Fairly easily | 217 |
2.8%
|
| 5 | Easily | 93 |
1.2%
|
| 6 | Very easily | 10 |
0.1%
|
| Sysmiss | 7 |