Year | Total area (km2) |
1993 | 2.2863 |
1994 | 0.9901 |
1995 | 2.1625 |
1996 | 1.6757 |
1997 | 1.8709 |
1998 | 1.6089 |
1999 | 1.0289 |
2000 | 0.2797 |
2001 | 0.5056 |
2002 | 0.5238 |
2003 | 0.7507 |
2004 | 0.8578 |
2005 | 0.9714 |
2006 2007 | 0.4410 0.5941 |
2008 | 1.8715 |
2009 | 1.6602 |
2010 | 0.2690 |
2011 | 1.8540 |
2012 | 1.1030 |
2013 | 0.1935 |
2014 | 0.7325 |
2015 | 0.8775 |
2016 | 0.4578 |
2017 | 1.0609 |
2018 | 0.5872 |
2019 | 1.2378 |
2020 | 0.9250 |
2021 | 0.1779 |