| Value | Category | Cases | |
|---|---|---|---|
| 0 | 00 not used at all | 373 | 
                                                                 
                                    
                                    24.4%
                                 
                                                             | 
                                                        
                    
| 1 | 01 | 60 | 
                                                                 
                                    
                                    3.9%
                                 
                                                             | 
                                                        
                    
| 2 | 02 | 107 | 
                                                                 
                                    
                                    7%
                                 
                                                             | 
                                                        
                    
| 3 | 03 | 110 | 
                                                                 
                                    
                                    7.2%
                                 
                                                             | 
                                                        
                    
| 4 | 04 | 81 | 
                                                                 
                                    
                                    5.3%
                                 
                                                             | 
                                                        
                    
| 5 | 05 | 157 | 
                                                                 
                                    
                                    10.3%
                                 
                                                             | 
                                                        
                    
| 6 | 06 | 91 | 
                                                                 
                                    
                                    5.9%
                                 
                                                             | 
                                                        
                    
| 7 | 07 | 87 | 
                                                                 
                                    
                                    5.7%
                                 
                                                             | 
                                                        
                    
| 8 | 08 | 95 | 
                                                                 
                                    
                                    6.2%
                                 
                                                             | 
                                                        
                    
| 9 | 09 | 14 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    
| 10 | 10 used a lot | 56 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    
| 98 | 98 don't know | 3 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 99 | 99 no answer | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 297 | 
                                                                 
                                    
                                    19.4%
                                 
                                                             |