Value | Category | Cases | |
---|---|---|---|
1 | some difficulty | 52 |
0.2%
|
2 | a lot of difficulty | 47 |
0.2%
|
3 | cannot do at all | 15 |
0.1%
|
98 | don't know | 0 |
0%
|
99 | refuse to answer | 0 |
0%
|
Missing value | 21978 |
99.5%
|