| Value | Category | Cases | |
|---|---|---|---|
| 0 | less than 1 km | 27 | 
                                    
                                    5.3%
                                 | 
| 1 | 56 | 
                                    
                                    11%
                                 | |
| 2 | 61 | 
                                    
                                    12%
                                 | |
| 3 | 55 | 
                                    
                                    10.8%
                                 | |
| 4 | 29 | 
                                    
                                    5.7%
                                 | |
| 5 | 23 | 
                                    
                                    4.5%
                                 | |
| 6 | 9 | 
                                    
                                    1.8%
                                 | |
| 7 | 17 | 
                                    
                                    3.3%
                                 | |
| 8 | 11 | 
                                    
                                    2.2%
                                 | |
| 9 | 2 | 
                                    
                                    0.4%
                                 | |
| 10 | 16 | 
                                    
                                    3.1%
                                 | |
| 11 | 4 | 
                                    
                                    0.8%
                                 | |
| 12 | 14 | 
                                    
                                    2.8%
                                 | |
| 13 | 4 | 
                                    
                                    0.8%
                                 | |
| 14 | 10 | 
                                    
                                    2%
                                 | |
| 15 | 23 | 
                                    
                                    4.5%
                                 | |
| 16 | 4 | 
                                    
                                    0.8%
                                 | |
| 17 | 5 | 
                                    
                                    1%
                                 | |
| 18 | 6 | 
                                    
                                    1.2%
                                 | |
| 19 | 1 | 
                                    
                                    0.2%
                                 | |
| 20 | 18 | 
                                    
                                    3.5%
                                 | |
| 21 | 5 | 
                                    
                                    1%
                                 | |
| 22 | 5 | 
                                    
                                    1%
                                 | |
| 23 | 4 | 
                                    
                                    0.8%
                                 | |
| 24 | 7 | 
                                    
                                    1.4%
                                 | |
| 25 | 16 | 
                                    
                                    3.1%
                                 | |
| 26 | 1 | 
                                    
                                    0.2%
                                 | |
| 27 | 4 | 
                                    
                                    0.8%
                                 | |
| 28 | 5 | 
                                    
                                    1%
                                 | |
| 30 | 14 | 
                                    
                                    2.8%
                                 | |
| 33 | 1 | 
                                    
                                    0.2%
                                 | |
| 34 | 2 | 
                                    
                                    0.4%
                                 | |
| 35 | 11 | 
                                    
                                    2.2%
                                 | |
| 36 | 2 | 
                                    
                                    0.4%
                                 | |
| 37 | 1 | 
                                    
                                    0.2%
                                 | |
| 38 | 1 | 
                                    
                                    0.2%
                                 | |
| 39 | 2 | 
                                    
                                    0.4%
                                 | |
| 40 | 8 | 
                                    
                                    1.6%
                                 | |
| 41 | 1 | 
                                    
                                    0.2%
                                 | |
| 42 | 3 | 
                                    
                                    0.6%
                                 | |
| 45 | 5 | 
                                    
                                    1%
                                 | |
| 47 | 2 | 
                                    
                                    0.4%
                                 | |
| 50 | 4 | 
                                    
                                    0.8%
                                 | |
| 52 | 1 | 
                                    
                                    0.2%
                                 | |
| 54 | 1 | 
                                    
                                    0.2%
                                 | |
| 55 | 1 | 
                                    
                                    0.2%
                                 | |
| 56 | 1 | 
                                    
                                    0.2%
                                 | |
| 59 | 1 | 
                                    
                                    0.2%
                                 | |
| 60 | 1 | 
                                    
                                    0.2%
                                 | |
| 75 | 1 | 
                                    
                                    0.2%
                                 | |
| 100 | 1 | 
                                    
                                    0.2%
                                 | |
| 131 | 1 | 
                                    
                                    0.2%
                                 | |
| Sysmiss | 2 |