| Value | Category | Cases | |
|---|---|---|---|
| 1 | Spraying | 58 |
9.2%
|
| 2 | Smoking | 26 |
4.1%
|
| 3 | Other | 0 |
0%
|
| 6 | 548 |
86.7%
|
|
| Sysmiss | 14641 |