| Value | Category | Cases | |
|---|---|---|---|
| 1 | Only one ever | 3 |
16.7%
|
| 2 | 1 ever but none in the past 12 m | 2 |
11.1%
|
| 3 | 1 ever and >=1 in the past 12 mo | 13 |
72.2%
|
| 8 | Don't know | 0 |
0%
|
| 88 | N/A | 0 |
0%
|
| Sysmiss | 1563 |