| 序号 | 时间 (年) |
数据 (万头) |
|---|---|---|
| 1 | 2021 | |
| 2 | 2020 | |
| 3 | 2019 | |
| 4 | 2018 | |
| 5 | 2017 | |
| 6 | 2016 | |
| 7 | 2015 | 978.05 |
| 8 | 2014 | 981.27 |
| 9 | 2013 | 930.86 |
| 10 | 2012 | 911.80 |
| 11 | 2011 | 927.61 |
| 12 | 2010 | 658.06 |
| 13 | 2009 | 850.06 |
| 14 | 2008 | 812.41 |
| 15 | 2007 | 814.49 |
| 16 | 2006 | 806.26 |
| 17 | 2005 | 822.67 |
| 18 | 2004 | 801.87 |
| 19 | 2003 | 763.35 |
| 20 | 2002 | 760.31 |
| 21 | 2001 | 719.38 |
| 22 | 2000 | 714.40 |
| 23 | 1999 | 655.30 |
| 24 | 1998 | 673.82 |
| 25 | 1997 | 662.77 |
| 26 | 1995 | 581.05 |
| 27 | 1990 | 397.01 |
| 28 | 1985 | 545.58 |
