| 序号 | 时间 (年) |
数据 (平方公里) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 13.01 |
| 8 | 2015 | 24.71 |
| 9 | 2014 | 16.22 |
| 10 | 2013 | 17.92 |
| 11 | 2012 | 19.23 |
| 12 | 2011 | 14.46 |
| 13 | 2010 | 27.02 |
| 14 | 2009 | 13.27 |
| 15 | 2008 | 18.78 |
| 16 | 2007 | 18.59 |
| 17 | 2006 | 38.45 |
| 18 | 2005 | 16.98 |
| 19 | 2004 | 16.58 |
| 20 | 2003 | 43.04 |
| 21 | 2002 | 28.11 |
| 22 | 2001 | 29.14 |
