Proportion of land area covered by forest, percentage
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 12.6 | |
| 2000 | 13.2 | |
| 2005 | 14 | |
| 2010 | 14.7 |
Proportion of total water resources used, percentage
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 14.8 | 1 |
| 2000 | 19.7 | 2 |
| 2005 | 18.8 | 3 |
Footnotes:
- Year range 1988 - 1992
- Year range 1998 - 2002
- Year range 2003 - 2007
