| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 42 |
0.5%
|
| 2 | Weekly | 24 |
0.3%
|
| 3 | Monthly | 1242 |
13.5%
|
| 4 | Every 3 months | 657 |
7.1%
|
| 5 | Annually | 1061 |
11.5%
|
| 6 | 6 months | 9 |
0.1%
|
| 7 | Refused to answer | 4 |
0%
|
| 8 | At public events | 6 |
0.1%
|
| 9 | Two months | 1 |
0%
|
| 10 | No determine duration | 2 |
0%
|
| 11 | During Exams | 1 |
0%
|
| 12 | At the end of every project | 1 |
0%
|
| 13 | Depending on the production | 1 |
0%
|
| 97 | Other | 0 |
0%
|
| 99 | Not applicable | 6150 |
66.8%
|
| Sysmiss | 61435 |