| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Zero nicotine | 138 |
10.6%
|
| 2 | 2. Under 4mg | 322 |
24.7%
|
| 3 | 3. 4mg - 6mg | 167 |
12.8%
|
| 4 | 4. 7mg - 12mg | 75 |
5.8%
|
| 5 | 5. 13mg - 18mg | 36 |
2.8%
|
| 6 | 6. 19mg or more | 76 |
5.8%
|
| 98 | 98. Don't know | 465 |
35.7%
|
| 99 | 99. Refuse | 23 |
1.8%
|
| Sysmiss | 398508 |