| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1.Never | 19 |
8.9%
|
| 2 | 2.Once in a year | 9 |
4.2%
|
| 3 | 3.Once a term | 127 |
59.6%
|
| 4 | 4.Once or more a month | 58 |
27.2%
|
| 5 | 5.Missing | 0 |
0%
|