Value | Category | Cases | |
---|---|---|---|
-9 | NIU (not in universe) | 25 |
0.9%
|
1 | easy to obtain method | 2580 |
91.4%
|
2 | hard to obtain method | 206 |
7.3%
|
8 | don't know/unsure | 11 |
0.4%
|
9999995 | missing:impute | 0 |
0%
|