| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very frequently | 5 |
0.2%
|
| 2 | Frequently | 20 |
0.8%
|
| 3 | Rarely | 69 |
2.7%
|
| 4 | Never | 2000 |
77.9%
|
| 8 | dont't know | 13 |
0.5%
|
| 9 | no answer | 5 |
0.2%
|
| Sysmiss | 457 |
17.8%
|