Proportion of land area covered by forest, percentage
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 13.2 | |
| 2000 | 12 | |
| 2005 | 11.4 | |
| 2010 | 10.8 |
Proportion of total water resources used, percentage
| Year | Value | Footnotes |
|---|---|---|
| 2000 | 22.4 | 1 |
| 2005 | 22.4 | 2 |
Footnotes:
- Year range 1998 - 2002
- Year range 2003 - 2007
