Value | Category | Cases | |
---|---|---|---|
1 | No difficulty | 2603835 |
96.4%
|
2 | Yes, some difficulty | 72295 |
2.7%
|
3 | Yes, a lot of difficulty | 21515 |
0.8%
|
4 | Cannot do at all | 3400 |
0.1%
|
Sysmiss | 383938 |