| 序号 | 时间 (年) |
数据 (万头) |
|---|---|---|
| 1 | 2020 | |
| 2 | 2019 | |
| 3 | 2018 | |
| 4 | 2017 | |
| 5 | 2016 | |
| 6 | 2015 | |
| 7 | 2014 | 30.59 |
| 8 | 2013 | 30.41 |
| 9 | 2012 | 32.06 |
| 10 | 2011 | 34.05 |
| 11 | 2010 | 35.70 |
| 12 | 2009 | 33.90 |
| 13 | 2008 | 34.26 |
| 14 | 2007 | 33.31 |
| 15 | 2006 | 64.30 |
| 16 | 2005 | 64.61 |
| 17 | 2004 | 65.82 |
| 18 | 2003 | 66.40 |
| 19 | 2002 | 62.76 |
| 20 | 2001 | 60.71 |
| 21 | 2000 | 59.14 |
| 22 | 1999 | 63.74 |
| 23 | 1998 | 70.77 |
| 24 | 1995 | 99.06 |
| 25 | 1990 | 71.48 |
| 26 | 1985 | 68.06 |
