| Value | Category | Cases | |
|---|---|---|---|
| 1 | By Hand | 29180 |
91.9%
|
| 2 | By Draft Animal | 21 |
0.1%
|
| 3 | By Human Powered Tool | 111 |
0.3%
|
| 4 | By Engine Driven Machine | 123 |
0.4%
|
| 9 | Not applicable | 2304 |
7.3%
|