| 序号 |
时间(年) |
数据(单位：美元) |
| 1 |
2024 |
|
| 2 |
2023 |
|
| 3 |
2022 |
|
| 4 |
2021 |
|
| 5 |
2020 |
|
| 6 |
2019 |
|
| 7 |
2018 |
18879.32 |
| 8 |
2017 |
18026.02 |
| 9 |
2016 |
16961.02 |
| 10 |
2015 |
17903.26 |
| 11 |
2014 |
17509.53 |
| 12 |
2013 |
21151.01 |
| 13 |
2012 |
26826.07 |
| 14 |
2011 |
15698.05 |
| 15 |
2010 |
30234.09 |
| 16 |
2009 |
29027.15 |
| 17 |
2008 |
30812.28 |
| 18 |
2007 |
30928.94 |
| 19 |
2006 |
28935.66 |
| 20 |
2005 |
26902.90 |
| 21 |
2004 |
23813.40 |
| 22 |
2003 |
22662.72 |
| 23 |
2002 |
20060.64 |
| 24 |
2001 |
20331.63 |
| 25 |
2000 |
20616.98 |
| 26 |
1999 |
19769.02 |
| 27 |
1998 |
19639.19 |
| 28 |
1997 |
20438.64 |
| 29 |
1996 |
19392.49 |
| 30 |
1995 |
18952.00 |
| 31 |
1994 |
19318.21 |
| 32 |
1993 |
18904.22 |
| 33 |
1992 |
19571.91 |
| 34 |
1991 |
20084.63 |
| 35 |
1990 |
17172.60 |
