Value | Category | Cases | |
---|---|---|---|
-9 | NIU (not in universe) | 390 |
13.8%
|
1 | easy to obtain method | 1016 |
36%
|
2 | hard to obtain method | 1381 |
48.9%
|
8 | don't know/unsure | 35 |
1.2%
|
9999995 | missing:impute | 0 |
0%
|