| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 954 |
58.2%
|
| 2 | 10 years old or younger | 115 |
7%
|
| 3 | 11 years old | 109 |
6.7%
|
| 4 | 12 years old | 183 |
11.2%
|
| 5 | 13 years old | 144 |
8.8%
|
| 6 | 14 years old | 110 |
6.7%
|
| 7 | 15 years old | 20 |
1.2%
|
| 8 | 16 years old or older | 3 |
0.2%
|
| Sysmiss | 45 |