| Year | Wood fuel (m3) | Wood charcoal (t) |
| 2004 | 20,678,000 | 752,000 |
| 2005 | 20,678,000 | 752,000 |
| 2006 | 33,039,530 | 1,358,977 |
| 2007 | 31,477,900 | 1,418,300 |
| 2008 | 35,363,400 | 1,477,700 |
| Total | 141,236,830 | 5,758,977 |