| Value | Category | Cases | |
|---|---|---|---|
| 1 | DAILY | 3111 | 
                                    
                                    64.8%
                                 | 
| 2 | INTERMITTENTLY | 1689 | 
                                    
                                    35.2%
                                 | 
| 9 | NO RESPONSE | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 26259 |