Value | Category | Cases | |
---|---|---|---|
-9 | NIU (not in universe) | 104 |
4.5%
|
1 | easy to obtain method | 2079 |
90%
|
2 | hard to obtain method | 115 |
5%
|
8 | don't know/unsure | 0 |
0%
|
98 | 11 |
0.5%
|
|
9999995 | missing:impute | 0 |
0%
|
Sysmiss | 474 |