| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 11 | 
                                    
                                    11.8%
                                 | 
| 1000 | 1 | 
                                    
                                    1.1%
                                 | |
| 2000 | 5 | 
                                    
                                    5.4%
                                 | |
| 6000 | 2 | 
                                    
                                    2.2%
                                 | |
| 7000 | 1 | 
                                    
                                    1.1%
                                 | |
| 7500 | 1 | 
                                    
                                    1.1%
                                 | |
| 8000 | 1 | 
                                    
                                    1.1%
                                 | |
| 9164 | 1 | 
                                    
                                    1.1%
                                 | |
| 10000 | 4 | 
                                    
                                    4.3%
                                 | |
| 15000 | 2 | 
                                    
                                    2.2%
                                 | |
| 20000 | 8 | 
                                    
                                    8.6%
                                 | |
| 25000 | 2 | 
                                    
                                    2.2%
                                 | |
| 30000 | 5 | 
                                    
                                    5.4%
                                 | |
| 35000 | 1 | 
                                    
                                    1.1%
                                 | |
| 50000 | 5 | 
                                    
                                    5.4%
                                 | |
| 60000 | 3 | 
                                    
                                    3.2%
                                 | |
| 70000 | 2 | 
                                    
                                    2.2%
                                 | |
| 85000 | 1 | 
                                    
                                    1.1%
                                 | |
| 100000 | 8 | 
                                    
                                    8.6%
                                 | |
| 120000 | 1 | 
                                    
                                    1.1%
                                 | |
| 150000 | 7 | 
                                    
                                    7.5%
                                 | |
| 200000 | 4 | 
                                    
                                    4.3%
                                 | |
| 250000 | 3 | 
                                    
                                    3.2%
                                 | |
| 280000 | 1 | 
                                    
                                    1.1%
                                 | |
| 300000 | 2 | 
                                    
                                    2.2%
                                 | |
| 350000 | 1 | 
                                    
                                    1.1%
                                 | |
| 400000 | 2 | 
                                    
                                    2.2%
                                 | |
| 500000 | 3 | 
                                    
                                    3.2%
                                 | |
| 1200000 | 1 | 
                                    
                                    1.1%
                                 | |
| 2000000 | 1 | 
                                    
                                    1.1%
                                 | |
| 10000000 | 1 | 
                                    
                                    1.1%
                                 | |
| 20000000 | 1 | 
                                    
                                    1.1%
                                 | |
| 25000000 | 1 | 
                                    
                                    1.1%
                                 | |
| Sysmiss | 552 |