Value | Category | Cases | |
---|---|---|---|
-9 | NIU (not in universe) | 23 |
0.8%
|
1 | easy to obtain method | 2509 |
88.9%
|
2 | hard to obtain method | 282 |
10%
|
8 | don't know/unsure | 8 |
0.3%
|
9999995 | missing:impute | 0 |
0%
|