Contracting tree work and city tree care employees (1982).
| City population | All/some work contracted % of cities | Avg. no. of city employees | ||
|---|---|---|---|---|
| full-time | seasonal | |||
| ⯈ 50,000 | 10 | 70 | 8.7 | 1.3 |
| 10,000-50,000 | 43 | 68 | 3.8 | 3.5 |
| 5,000-10,000 | 26 | 77 | 2.0 | 2.7 |
| ⯇ 5,000 | 11 | 64 | 1.0 | 2.5 |