单位:公里
                时间范围:2005 - 2022
                数据来源:住房和城乡建设部
            | 序号 | 时间(年) | 数据(公里) | 
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | 252.95 | 
| 7 | 2016 | 224.12 | 
| 8 | 2015 | 184.48 | 
| 9 | 2014 | 145.00 | 
| 10 | 2013 | 141.00 | 
| 11 | 2012 | 137.00 | 
| 12 | 2011 | 128.00 | 
| 13 | 2010 | 122.00 | 
| 14 | 2009 | 113.00 | 
| 15 | 2008 | 100.00 | 
| 16 | 2007 | 84.00 | 
| 17 | 2006 | 81.00 | 
| 18 | 2005 | 89.66 | 
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