Proportion of land area covered by forest, percentage
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 68.4 | |
| 2000 | 68.2 | |
| 2005 | 68.4 | |
| 2010 | 68.5 |
Proportion of total water resources used, percentage
| Year | Value | Footnotes |
|---|---|---|
| 1990 | 21.3 | 1 |
| 2000 | 20.6 | 2 |
Footnotes:
- Year range 1988 - 1992
- Year range 1998 - 2002
