| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 7887 |
46.8%
|
| 0 | never | 5225 |
31%
|
| 1 | 673 |
4%
|
|
| 2 | 547 |
3.2%
|
|
| 3 | 350 |
2.1%
|
|
| 4 | 363 |
2.2%
|
|
| 5 | 350 |
2.1%
|
|
| 6 | 309 |
1.8%
|
|
| 7 | 1144 |
6.8%
|
|
| 95 | case before variable implementation | 0 |
0%
|
| 9999995 | missing:impute | 0 |
0%
|
