单位:%
                时间范围:2002 - 2023
                            | 序号 | 时间(年) | 数据(%) | 
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | 6.30 | 
| 7 | 2017 | 5.40 | 
| 8 | 2016 | 5.60 | 
| 9 | 2015 | 6.40 | 
| 10 | 2014 | 7.70 | 
| 11 | 2013 | 14.63 | 
| 12 | 2012 | -0.80 | 
| 13 | 2011 | 9.90 | 
| 14 | 2010 | 13.00 | 
| 15 | 2009 | 4.80 | 
| 16 | 2008 | 7.38 | 
| 17 | 2007 | 15.60 | 
| 18 | 2006 | 11.19 | 
| 19 | 2005 | 6.10 | 
| 20 | 2004 | 14.00 | 
| 21 | 2003 | 17.00 | 
| 22 | 2002 | 15.20 | 
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