| 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 |
35227.76 |
| 8 |
2017 |
34282.17 |
| 9 |
2016 |
32285.28 |
| 10 |
2015 |
32137.58 |
| 11 |
2014 |
31726.17 |
| 12 |
2013 |
30294.48 |
| 13 |
2012 |
31035.55 |
| 14 |
2011 |
30073.65 |
| 15 |
2010 |
29624.95 |
| 16 |
2009 |
29196.59 |
| 17 |
2008 |
30678.60 |
| 18 |
2007 |
31232.11 |
| 19 |
2006 |
30401.48 |
| 20 |
2005 |
29142.88 |
| 21 |
2004 |
27659.52 |
| 22 |
2003 |
27030.87 |
| 23 |
2002 |
27171.29 |
| 24 |
2001 |
26351.05 |
| 25 |
2000 |
25421.60 |
| 26 |
1999 |
24183.57 |
| 27 |
1998 |
22555.77 |
| 28 |
1997 |
21606.23 |
| 29 |
1996 |
21287.34 |
| 30 |
1995 |
20377.32 |
| 31 |
1994 |
19440.91 |
| 32 |
1993 |
18780.87 |
| 33 |
1992 |
18635.90 |
| 34 |
1991 |
19296.11 |
| 35 |
1990 |
19817.34 |
