Value | Category | Cases | |
---|---|---|---|
-9 | NIU (not in universe) | 20 |
0.7%
|
1 | easy to use method | 1669 |
59.1%
|
2 | hard to use method | 1088 |
38.6%
|
98 | don't know | 45 |
1.6%
|
9999995 | missing:impute | 0 |
0%
|