| Value | Category | Cases | |
|---|---|---|---|
| 1 | Only one ever | 25 |
1.6%
|
| 2 | 1 ever but none in the past 12 m | 19 |
1.2%
|
| 3 | 1 ever and >=1 in the past 12 mo | 22 |
1.4%
|
| 8 | Don't know | 4 |
0.3%
|
| 88 | N/A | 1511 |
95.6%
|