Value | Category | Cases | |
---|---|---|---|
-9 | NIU (not in universe) | 122 |
5.3%
|
1 | easy to obtain method | 1786 |
77.1%
|
2 | hard to obtain method | 358 |
15.5%
|
8 | don't know/unsure | 0 |
0%
|
98 | 50 |
2.2%
|
|
9999995 | missing:impute | 0 |
0%
|
Sysmiss | 467 |