Proportion of land area covered by forest, percentage
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 22 | |
| 2000 | 23.9 | |
| 2005 | 24.8 | |
| 2010 | 25.7 |
Proportion of total water resources used, percentage
| Year | Value | Footnotes |
|---|---|---|
| 2005 | 16.5 | 1 |
| 2010 | 17 | 2 |
Footnotes:
- Year range 2003 - 2007
- Year range 2008 - 2012
