| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never Had It | 3941 |
99.2%
|
| 2 | Used to Have It | 24 |
0.6%
|
| 3 | Have It Now and Use | 6 |
0.2%
|
| 4 | Have It Now But Don't Use | 0 |
0%
|
| 99 | Not specified | 0 |
0%
|
| Sysmiss | 27 |