| Value | Category | Cases | |
|---|---|---|---|
| -66 | SKIP | 0 | 
                                    
                                    0%
                                 | 
| 1 | by hand | 3 | 
                                    
                                    23.1%
                                 | 
| 2 | with animal power | 2 | 
                                    
                                    15.4%
                                 | 
| 3 | with machine | 5 | 
                                    
                                    38.5%
                                 | 
| 4 | did not till | 1 | 
                                    
                                    7.7%
                                 | 
| 5 | 2 | 
                                    
                                    15.4%
                                 | |
| 77 | refuse | 0 | 
                                    
                                    0%
                                 | 
| 88 | dont know | 0 | 
                                    
                                    0%
                                 | 
| 99 | missing | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 4957 |