Proportion of land area covered by forest, percentage
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 6.5 | |
| 2000 | 6.3 | |
| 2005 | 6.2 | |
| 2010 | 6.1 |
Proportion of total water resources used, percentage
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 6.7 | 1 |
| 2005 | 8.9 | 2 |
Footnotes:
- Year range 1988 - 1992
- Year range 2003 - 2007
