| 序号 | 时间 (年) |
数据 (万头) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 2045.82 |
| 8 | 2014 | 2689.17 |
| 9 | 2013 | 3182.62 |
| 10 | 2012 | 3272.71 |
| 11 | 2011 | 3211.84 |
| 12 | 2010 | 3170.62 |
| 13 | 2009 | 3119.80 |
| 14 | 2008 | 3050.83 |
| 15 | 2007 | 2698.00 |
| 16 | 2006 | 2620.28 |
| 17 | 2005 | 3080.22 |
| 18 | 2004 | 3018.35 |
| 19 | 2003 | 2924.39 |
| 20 | 2002 | 2859.12 |
| 21 | 2001 | 2816.18 |
