| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, EMPTIED: WITHIN THE LAST 5 YEARS | 594 | 
                                    
                                    5.2%
                                 | 
| 2 | YES, EMPTIED: MORE THAN 5 YEARS AGO | 536 | 
                                    
                                    4.7%
                                 | 
| 3 | YES, EMPTIED: DON?T KNOW WHEN | 1357 | 
                                    
                                    11.9%
                                 | 
| 4 | NEVER REQUIRED EMPTYING | 6645 | 
                                    
                                    58.1%
                                 | 
| 5 | REPLACED WHEN FULL | 930 | 
                                    
                                    8.1%
                                 | 
| 8 | DK | 1272 | 
                                    
                                    11.1%
                                 | 
| 9 | NO RESPONSE | 96 | 
                                    
                                    0.8%
                                 | 
| Sysmiss | 9950 |