| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 | 
                                    
                                    0.9%
                                 | 
| 0 | 47 | 
                                    
                                    42.7%
                                 | |
| 200000 | 3 | 
                                    
                                    2.7%
                                 | |
| 400000 | 1 | 
                                    
                                    0.9%
                                 | |
| 500000 | 2 | 
                                    
                                    1.8%
                                 | |
| 600000 | 3 | 
                                    
                                    2.7%
                                 | |
| 700000 | 1 | 
                                    
                                    0.9%
                                 | |
| 800000 | 2 | 
                                    
                                    1.8%
                                 | |
| 1000000 | 1 | 
                                    
                                    0.9%
                                 | |
| 1100000 | 1 | 
                                    
                                    0.9%
                                 | |
| 1400000 | 1 | 
                                    
                                    0.9%
                                 | |
| 1500000 | 4 | 
                                    
                                    3.6%
                                 | |
| 1600000 | 2 | 
                                    
                                    1.8%
                                 | |
| 1700000 | 2 | 
                                    
                                    1.8%
                                 | |
| 1800000 | 5 | 
                                    
                                    4.5%
                                 | |
| 2000000 | 3 | 
                                    
                                    2.7%
                                 | |
| 2100000 | 1 | 
                                    
                                    0.9%
                                 | |
| 2200000 | 1 | 
                                    
                                    0.9%
                                 | |
| 2500000 | 4 | 
                                    
                                    3.6%
                                 | |
| 2600000 | 1 | 
                                    
                                    0.9%
                                 | |
| 2800000 | 3 | 
                                    
                                    2.7%
                                 | |
| 3000000 | 4 | 
                                    
                                    3.6%
                                 | |
| 3400000 | 1 | 
                                    
                                    0.9%
                                 | |
| 3800000 | 3 | 
                                    
                                    2.7%
                                 | |
| 4000000 | 3 | 
                                    
                                    2.7%
                                 | |
| 4500000 | 1 | 
                                    
                                    0.9%
                                 | |
| 4600000 | 2 | 
                                    
                                    1.8%
                                 | |
| 6000000 | 4 | 
                                    
                                    3.6%
                                 | |
| 10400000 | 1 | 
                                    
                                    0.9%
                                 | |
| 19000000 | 1 | 
                                    
                                    0.9%
                                 | |
| 20000000 | 1 | 
                                    
                                    0.9%
                                 | |
| Sysmiss | 253 |