The frequency of formal training programs for surveyed tree care companies.
| Training frequency | Percent of companies |
|---|---|
| More than once a month | 5.8% |
| Once a month | 23.5% |
| Once every two or three months | 8.6% |
| Twice a year | 9.6% |
| Once a year | 7.9% |
| Less often than once a year | 6.7% |
| No formal training provided | 37.9% |