| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 10 | 
                                    
                                    13.7%
                                 | 
| 3000 | 1 | 
                                    
                                    1.4%
                                 | |
| 10000 | 3 | 
                                    
                                    4.1%
                                 | |
| 15000 | 1 | 
                                    
                                    1.4%
                                 | |
| 20000 | 3 | 
                                    
                                    4.1%
                                 | |
| 30000 | 1 | 
                                    
                                    1.4%
                                 | |
| 35000 | 1 | 
                                    
                                    1.4%
                                 | |
| 40000 | 1 | 
                                    
                                    1.4%
                                 | |
| 50000 | 4 | 
                                    
                                    5.5%
                                 | |
| 55000 | 1 | 
                                    
                                    1.4%
                                 | |
| 70000 | 1 | 
                                    
                                    1.4%
                                 | |
| 75000 | 1 | 
                                    
                                    1.4%
                                 | |
| 80000 | 1 | 
                                    
                                    1.4%
                                 | |
| 100000 | 1 | 
                                    
                                    1.4%
                                 | |
| 150000 | 5 | 
                                    
                                    6.8%
                                 | |
| 200000 | 2 | 
                                    
                                    2.7%
                                 | |
| 220000 | 1 | 
                                    
                                    1.4%
                                 | |
| 250000 | 5 | 
                                    
                                    6.8%
                                 | |
| 300000 | 5 | 
                                    
                                    6.8%
                                 | |
| 400000 | 1 | 
                                    
                                    1.4%
                                 | |
| 450000 | 1 | 
                                    
                                    1.4%
                                 | |
| 500000 | 4 | 
                                    
                                    5.5%
                                 | |
| 600000 | 1 | 
                                    
                                    1.4%
                                 | |
| 700000 | 1 | 
                                    
                                    1.4%
                                 | |
| 1000000 | 4 | 
                                    
                                    5.5%
                                 | |
| 1100000 | 1 | 
                                    
                                    1.4%
                                 | |
| 1500000 | 3 | 
                                    
                                    4.1%
                                 | |
| 2000000 | 1 | 
                                    
                                    1.4%
                                 | |
| 2500000 | 2 | 
                                    
                                    2.7%
                                 | |
| 3000000 | 2 | 
                                    
                                    2.7%
                                 | |
| 5000000 | 1 | 
                                    
                                    1.4%
                                 | |
| 5400000 | 1 | 
                                    
                                    1.4%
                                 | |
| 7500000 | 1 | 
                                    
                                    1.4%
                                 | |
| 30000000 | 1 | 
                                    
                                    1.4%
                                 | |
| Sysmiss | 1343 |