| 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 | 60.96 |
| 8 | 2015 | 58.68 |
| 9 | 2014 | 46.28 |
| 10 | 2013 | 40.01 |
| 11 | 2012 | 38.30 |
| 12 | 2011 | 37.17 |
| 13 | 2010 | 35.90 |
| 14 | 2009 | 34.86 |
| 15 | 2008 | 33.43 |
| 16 | 2007 | 32.26 |
| 17 | 2006 | 31.20 |
| 18 | 2005 | 26.93 |
| 19 | 2004 | 25.46 |
| 20 | 2003 | 24.34 |
| 21 | 2002 | 24.34 |
| 22 | 2001 | 14.80 |
| 23 | 2000 | 14.49 |
| 24 | 1999 | 14.20 |
