| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 hour per day | 1128 | 
                                    
                                    45.4%
                                 | 
| 2 | 1 to 2 hours per day | 747 | 
                                    
                                    30%
                                 | 
| 3 | 3 to 4 hours per day | 335 | 
                                    
                                    13.5%
                                 | 
| 4 | 5 to 6 hours per day | 129 | 
                                    
                                    5.2%
                                 | 
| 5 | 7 to 8 hours per day | 91 | 
                                    
                                    3.7%
                                 | 
| 6 | More than 8 hours per day | 57 | 
                                    
                                    2.3%
                                 | 
| Sysmiss | 92 |