| 序号 |
时间(年) |
数据(单位：万头) |
| 1 |
2020 |
|
| 2 |
2019 |
|
| 3 |
2018 |
|
| 4 |
2017 |
|
| 5 |
2016 |
|
| 6 |
2015 |
|
| 7 |
2014 |
410.53 |
| 8 |
2013 |
424.28 |
| 9 |
2012 |
433.66 |
| 10 |
2011 |
438.27 |
| 11 |
2010 |
440.32 |
| 12 |
2009 |
452.59 |
| 13 |
2008 |
498.53 |
| 14 |
2007 |
557.46 |
| 15 |
2006 |
632.71 |
| 16 |
2005 |
750.45 |
| 17 |
2004 |
771.51 |
| 18 |
2003 |
804.31 |
| 19 |
2002 |
787.88 |
| 20 |
2001 |
778.54 |
| 21 |
2000 |
779.90 |
| 22 |
1999 |
977.25 |
| 23 |
1998 |
911.80 |
| 24 |
1997 |
811.90 |
| 25 |
1996 |
740.10 |
| 26 |
1995 |
714.10 |
| 27 |
1994 |
681.30 |
| 28 |
1993 |
603.00 |
| 29 |
1992 |
531.90 |
| 30 |
1991 |
501.40 |
| 31 |
1990 |
511.80 |
| 32 |
1989 |
472.40 |
| 33 |
1988 |
416.00 |
| 34 |
1987 |
344.60 |
| 35 |
1986 |
292.50 |
| 36 |
1985 |
258.00 |
| 37 |
1984 |
232.60 |
| 38 |
1983 |
222.10 |
| 39 |
1982 |
213.60 |
| 40 |
1981 |
213.70 |
| 41 |
1980 |
217.80 |
| 42 |
1979 |
221.50 |
| 43 |
1978 |
227.60 |
