| 序号 | 时间 (年) |
数据 (万头) |
|---|---|---|
| 1 | 2018 | |
| 2 | 2017 | |
| 3 | 2016 | |
| 4 | 2015 | |
| 5 | 2014 | |
| 6 | 2013 | |
| 7 | 2012 | 164.00 |
| 8 | 2011 | 156.00 |
| 9 | 2010 | 172.00 |
| 10 | 2009 | 169.00 |
| 11 | 2008 | 164.00 |
| 12 | 2007 | 161.00 |
| 13 | 2006 | 172.00 |
| 14 | 2005 | 176.00 |
| 15 | 2004 | 197.00 |
| 16 | 2003 | 188.00 |
| 17 | 2002 | 188.00 |
| 18 | 2001 | 196.00 |
| 19 | 2000 | 203.00 |
| 20 | 1999 | 196.00 |
| 21 | 1998 | 219.00 |
| 22 | 1997 | 227.00 |
| 23 | 1996 | 240.00 |
| 24 | 1995 | 253.00 |
| 25 | 1994 | 270.00 |
| 26 | 1993 | 272.00 |
| 27 | 1992 | 290.00 |
| 28 | 1991 | 285.00 |
| 29 | 1990 | 300.00 |
| 30 | 1989 | 297.00 |
| 31 | 1988 | 303.00 |
| 32 | 1987 | 302.00 |
| 33 | 1986 | 310.00 |
| 34 | 1985 | 296.00 |
| 35 | 1984 | 308.00 |
| 36 | 1983 | 321.00 |
| 37 | 1982 | 324.00 |
| 38 | 1981 | 318.00 |
| 39 | 1980 | 316.00 |
