| Value | Category | Cases | |
|---|---|---|---|
| 1 | By Hand | 24946 | 
                                    
                                    78.6%
                                 | 
| 2 | By Draft Animal | 29 | 
                                    
                                    0.1%
                                 | 
| 3 | By Human Powered Tool | 310 | 
                                    
                                    1%
                                 | 
| 4 | By Engine Driven Machine | 290 | 
                                    
                                    0.9%
                                 | 
| 9 | Not applicable | 6164 | 
                                    
                                    19.4%
                                 |