| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every day | 5 |
0.2%
|
| 2 | 4 or 5 times | 7 |
0.3%
|
| 3 | 2 or 3 times | 35 |
1.4%
|
| 4 | Once | 54 |
2.1%
|
| 5 | Never | 2010 |
78.2%
|
| 8 | dont't know | 1 |
0%
|
| 9 | no answer | 0 |
0%
|
| Sysmiss | 457 |
17.8%
|