National results, urban tree and landscape survey
| Generator group | Number surveyed | Number returned | Response rate |
|---|---|---|---|
| Commercial tree care | 2,277 | 638 | 28% |
| Municipal/county park and recreation | 206 | 128 | 62% |
| Municipal/county tree care division | 202 | 100 | 50% |
| Electric utility line clearance | 603 | 285 | 47% |
| Orchard | 201 | 35 | 17% |
| Landscape maintenance/nursery | 199 | 124 | 62% |
| Excavator/land clearance | 190 | 21 | 11% |
| Total/average | 3,878 | 1,331 | 34% |