| 序号 |
时间(年) |
数据(单位：万只) |
| 1 |
2023 |
|
| 2 |
2022 |
|
| 3 |
2021 |
|
| 4 |
2020 |
|
| 5 |
2019 |
|
| 6 |
2018 |
|
| 7 |
2017 |
5.65 |
| 8 |
2016 |
10.36 |
| 9 |
2015 |
12.96 |
| 10 |
2014 |
10.73 |
| 11 |
2013 |
9.87 |
| 12 |
2012 |
8.58 |
| 13 |
2011 |
7.77 |
| 14 |
2010 |
7.90 |
| 15 |
2009 |
6.49 |
| 16 |
2008 |
4.88 |
| 17 |
2007 |
4.67 |
| 18 |
2006 |
5.89 |
| 19 |
2005 |
13.08 |
| 20 |
2004 |
21.75 |
| 21 |
2003 |
27.05 |
| 22 |
2002 |
32.12 |
| 23 |
2001 |
36.16 |
| 24 |
2000 |
35.92 |
| 25 |
1999 |
33.23 |
| 26 |
1998 |
36.58 |
| 27 |
1997 |
39.63 |
| 28 |
1996 |
41.14 |
| 29 |
1995 |
49.38 |
| 30 |
1994 |
48.42 |
| 31 |
1993 |
42.40 |
| 32 |
1992 |
40.72 |
| 33 |
1991 |
41.28 |
| 34 |
1990 |
41.00 |
| 35 |
1985 |
24.00 |
| 36 |
1980 |
48.53 |
| 37 |
1978 |
45.58 |
| 38 |
1975 |
47.57 |
| 39 |
1970 |
49.28 |
| 40 |
1965 |
42.18 |
| 41 |
1962 |
58.40 |
| 42 |
1957 |
41.96 |
| 43 |
1952 |
26.86 |
| 44 |
1949 |
18.73 |
