| Value | Category | Cases | |
|---|---|---|---|
| 0 | 329 |
89.6%
|
|
| 1 | 9 |
2.5%
|
|
| 2 | 4 |
1.1%
|
|
| 4 | 1 |
0.3%
|
|
| 5 | 2 |
0.5%
|
|
| 8 | 1 |
0.3%
|
|
| 10 | 1 |
0.3%
|
|
| 15 | 2 |
0.5%
|
|
| 18 | 1 |
0.3%
|
|
| 88 | 1 |
0.3%
|
|
| 888 | Smokes product, but not every day | 6 |
1.6%
|
| 999 | Refused | 10 |
2.7%
|
| Sysmiss | 16595 |