Proportion of land area covered by forest, percentage
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 49.9 | |
| 2000 | 42.8 | |
| 2005 | 39.2 | |
| 2010 | 35.6 |
Proportion of total water resources used, percentage
| Year | Value | Footnotes |
|---|---|---|
| 1995 | 4 | 1 |
| 2000 | 3.6 | 2 |
Footnotes:
- Year range 1993 - 1997
- Year range 1998 - 2002
