| Forest area (1000 hectares) | |||||
Types of forest | 1990 | 2000 | 2005 | 2010 | 2015 | 2018 |
Primary forest | 105,189 | 104,455 | 104,088 | 103,387 | 102,686 | 101,976 |
Secondary forest | 55 | 56 | 57 | 58 | 60 | 62 |
wooded training | 55,118 | 52,737 | 51,547 | 50,689 | 49,832 | 48,978 |
Total | 160,362 | 157,249 | 155,693 | 154,135 | 152,578 | 151,203 |