Value | Category | Cases | |
---|---|---|---|
-9 | NIU (not in universe) | 119 |
5.2%
|
1 | easy to obtain method | 2023 |
87.6%
|
2 | hard to obtain method | 131 |
5.7%
|
8 | don't know/unsure | 0 |
0%
|
98 | 37 |
1.6%
|
|
9999995 | missing:impute | 0 |
0%
|
Sysmiss | 473 |