| Value | Category | Cases | |
|---|---|---|---|
| 01 | No time | 117342 | 
                                    
                                    39.8%
                                 | 
| 02 | 1-30 minutes | 83150 | 
                                    
                                    28.2%
                                 | 
| 03 | 31-60 minutes | 43654 | 
                                    
                                    14.8%
                                 | 
| 04 | Between 1 and 2 hours | 28600 | 
                                    
                                    9.7%
                                 | 
| 05 | Between 2 and 4 hours | 12711 | 
                                    
                                    4.3%
                                 | 
| 06 | Between 4 hours and 6 hours | 4884 | 
                                    
                                    1.7%
                                 | 
| 07 | More than 6 hours | 4390 | 
                                    
                                    1.5%
                                 | 
| 97 | N/A | 173598 | |
| 98 | Invalid | 1597 | |
| 99 | Missing | 15564 |