YIA (formerly YH AMERICA, INC.)
| 2010～2016 | 2017 | 2018 | 2019 | 2020 | |
|---|---|---|---|---|---|
| Tree planting date | |||||
| Number of trees planted | 4,200 | ||||
| Number of participants | 304 | ||||
| Planting area (m2) | 6,893 | ||||
| Home-grown seedlings rate (%) | |||||
| Total number of trees planted | 4,200 | 4,200 | 4,200 | 4,200 | 4,200 |
| Total number of participants | 304 | 304 | 304 | 304 | 304 |
| Number of saplings provided to the outside | 0 | 0 | 0 | 0 | 0 |