| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, regularly | 30 |
22.4%
|
| 2 | Yes, irregularly | 45 |
33.6%
|
| 3 | Yes, regularly & irregularly | 2 |
1.5%
|
| 4 | No | 57 |
42.5%
|
| Sysmiss | 16296 |