| Value | Category | Cases | |
|---|---|---|---|
| -9999 | DON'T KNOW | 40 | 
                                    
                                    10.4%
                                 | 
| 0 | 217 | 
                                    
                                    56.5%
                                 | |
| 200 | 1 | 
                                    
                                    0.3%
                                 | |
| 300 | 2 | 
                                    
                                    0.5%
                                 | |
| 350 | 1 | 
                                    
                                    0.3%
                                 | |
| 500 | 13 | 
                                    
                                    3.4%
                                 | |
| 600 | 1 | 
                                    
                                    0.3%
                                 | |
| 700 | 4 | 
                                    
                                    1%
                                 | |
| 750 | 1 | 
                                    
                                    0.3%
                                 | |
| 800 | 1 | 
                                    
                                    0.3%
                                 | |
| 1000 | 25 | 
                                    
                                    6.5%
                                 | |
| 1500 | 11 | 
                                    
                                    2.9%
                                 | |
| 1800 | 2 | 
                                    
                                    0.5%
                                 | |
| 2000 | 18 | 
                                    
                                    4.7%
                                 | |
| 2500 | 4 | 
                                    
                                    1%
                                 | |
| 3500 | 3 | 
                                    
                                    0.8%
                                 | |
| 3900 | 1 | 
                                    
                                    0.3%
                                 | |
| 4000 | 6 | 
                                    
                                    1.6%
                                 | |
| 5000 | 14 | 
                                    
                                    3.6%
                                 | |
| 5500 | 1 | 
                                    
                                    0.3%
                                 | |
| 5600 | 1 | 
                                    
                                    0.3%
                                 | |
| 6000 | 3 | 
                                    
                                    0.8%
                                 | |
| 6250 | 1 | 
                                    
                                    0.3%
                                 | |
| 6500 | 1 | 
                                    
                                    0.3%
                                 | |
| 8000 | 1 | 
                                    
                                    0.3%
                                 | |
| 10000 | 2 | 
                                    
                                    0.5%
                                 | |
| 11000 | 1 | 
                                    
                                    0.3%
                                 | |
| 12000 | 2 | 
                                    
                                    0.5%
                                 | |
| 14000 | 1 | 
                                    
                                    0.3%
                                 | |
| 14800 | 1 | 
                                    
                                    0.3%
                                 | |
| 15000 | 2 | 
                                    
                                    0.5%
                                 | |
| 16000 | 1 | 
                                    
                                    0.3%
                                 | |
| 20000 | 1 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 387 |