| 序号 |
时间(年) |
数据(单位：万头) |
| 1 |
2023 |
|
| 2 |
2022 |
|
| 3 |
2021 |
|
| 4 |
2020 |
|
| 5 |
2019 |
|
| 6 |
2018 |
|
| 7 |
2017 |
29.54 |
| 8 |
2016 |
60.34 |
| 9 |
2015 |
66.44 |
| 10 |
2014 |
76.69 |
| 11 |
2013 |
85.98 |
| 12 |
2012 |
84.97 |
| 13 |
2011 |
85.34 |
| 14 |
2010 |
83.51 |
| 15 |
2009 |
82.37 |
| 16 |
2008 |
77.93 |
| 17 |
2007 |
70.87 |
| 18 |
2006 |
66.05 |
| 19 |
2005 |
73.85 |
| 20 |
2004 |
76.00 |
| 21 |
2003 |
75.89 |
| 22 |
2002 |
88.78 |
| 23 |
2001 |
98.71 |
| 24 |
2000 |
104.75 |
| 25 |
1999 |
97.15 |
| 26 |
1998 |
107.58 |
| 27 |
1997 |
103.32 |
| 28 |
1996 |
103.64 |
| 29 |
1995 |
111.73 |
| 30 |
1994 |
119.45 |
| 31 |
1993 |
126.17 |
| 32 |
1992 |
147.14 |
| 33 |
1991 |
147.45 |
| 34 |
1990 |
154.62 |
| 35 |
1985 |
186.01 |
| 36 |
1980 |
250.34 |
| 37 |
1978 |
264.31 |
| 38 |
1975 |
245.64 |
| 39 |
1970 |
214.19 |
| 40 |
1965 |
155.04 |
| 41 |
1962 |
71.52 |
| 42 |
1957 |
81.58 |
| 43 |
1952 |
37.98 |
| 44 |
1949 |
23.21 |
