| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never tried copen | 1421 |
72%
|
| 2 | 7 years old or younger | 43 |
2.2%
|
| 3 | 8 or 9 years old | 15 |
0.8%
|
| 4 | 10 or 11 years old | 30 |
1.5%
|
| 5 | 12 or 13 years old | 82 |
4.2%
|
| 6 | 14 or 15 years old | 209 |
10.6%
|
| 7 | 16 or 17 years old | 127 |
6.4%
|
| 8 | 18 years old or older | 47 |
2.4%
|
| Sysmiss | 21 |