Value | Category | Cases | |
---|---|---|---|
-9 | NIU (not in universe) | 20 |
0.7%
|
1 | easy to obtain method | 2473 |
87.6%
|
2 | hard to obtain method | 309 |
10.9%
|
8 | don't know/unsure | 20 |
0.7%
|
9999995 | missing:impute | 0 |
0%
|