United Nations Environmental Program and the World Conservation Monitoring Centre, as compiled by the World Resources Institute, based on data from national authorities, national legislation and international agreements.
| Date | Value | Change, % |
|---|---|---|
| 2012 | 20.8 | 0.00% |
| 2010 | 20.8 | 1.47% |
| 2009 | 20.5 | 1.48% |
| 2008 | 20.2 | 0.28% |
| 2007 | 20.2 | 0.67% |
| 2006 | 20.0 | 0.00% |
| 2005 | 20.0 | 3.72% |
| 2004 | 19.3 | 0.00% |
| 2003 | 19.3 | 0.00% |
| 2002 | 19.3 | 4.77% |
| 2001 | 18.4 | -1.50% |
| 2000 | 18.7 |
Our website uses cookies to improve your online experience. They were placed on your computer when you launched this website. You can change your personal cookie settings through your internet browser settings.
Privacy Policy