| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 7887 |
46.8%
|
| 0 | never | 3241 |
19.2%
|
| 1 | 547 |
3.2%
|
|
| 2 | 1050 |
6.2%
|
|
| 3 | 858 |
5.1%
|
|
| 4 | 535 |
3.2%
|
|
| 5 | 636 |
3.8%
|
|
| 6 | 916 |
5.4%
|
|
| 7 | 1178 |
7%
|
|
| 95 | case before variable implementation | 0 |
0%
|
| 9999995 | missing:impute | 0 |
0%
|
