| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 33 | 
                                    
                                    50%
                                 | 
| 1000000 | 1 | 
                                    
                                    1.5%
                                 | |
| 1500000 | 1 | 
                                    
                                    1.5%
                                 | |
| 2200000 | 1 | 
                                    
                                    1.5%
                                 | |
| 3000000 | 1 | 
                                    
                                    1.5%
                                 | |
| 4500000 | 1 | 
                                    
                                    1.5%
                                 | |
| 5000000 | 2 | 
                                    
                                    3%
                                 | |
| 6000000 | 1 | 
                                    
                                    1.5%
                                 | |
| 6500000 | 1 | 
                                    
                                    1.5%
                                 | |
| 7500000 | 1 | 
                                    
                                    1.5%
                                 | |
| 7900000 | 1 | 
                                    
                                    1.5%
                                 | |
| 12500000 | 2 | 
                                    
                                    3%
                                 | |
| 14000000 | 1 | 
                                    
                                    1.5%
                                 | |
| 16000000 | 1 | 
                                    
                                    1.5%
                                 | |
| 18000000 | 2 | 
                                    
                                    3%
                                 | |
| 20000000 | 1 | 
                                    
                                    1.5%
                                 | |
| 23700000 | 1 | 
                                    
                                    1.5%
                                 | |
| 25000000 | 1 | 
                                    
                                    1.5%
                                 | |
| 28000000 | 1 | 
                                    
                                    1.5%
                                 | |
| 35000000 | 1 | 
                                    
                                    1.5%
                                 | |
| 50000000 | 1 | 
                                    
                                    1.5%
                                 | |
| 80000000 | 1 | 
                                    
                                    1.5%
                                 | |
| 90000000 | 1 | 
                                    
                                    1.5%
                                 | |
| 100000000 | 1 | 
                                    
                                    1.5%
                                 | |
| 110000000 | 1 | 
                                    
                                    1.5%
                                 | |
| 200000000 | 1 | 
                                    
                                    1.5%
                                 | |
| 250000000 | 1 | 
                                    
                                    1.5%
                                 | |
| 400000000 | 2 | 
                                    
                                    3%
                                 | |
| 760000000 | 1 | 
                                    
                                    1.5%
                                 | |
| 2000000000 | 1 | 
                                    
                                    1.5%
                                 | |
| Sysmiss | 149 |