| 序号 | 时间 (年) |
数据 (美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 18551.17 |
| 8 | 2017 | 17898.90 |
| 9 | 2016 | 18013.67 |
| 10 | 2015 | 17804.75 |
| 11 | 2014 | 17752.52 |
| 12 | 2013 | 18004.67 |
| 13 | 2012 | 17936.99 |
| 14 | 2011 | 19165.01 |
| 15 | 2010 | 18977.54 |
| 16 | 2009 | 19253.27 |
| 17 | 2008 | 20250.11 |
| 18 | 2007 | 19846.04 |
| 19 | 2006 | 19019.13 |
| 20 | 2005 | 17478.13 |
| 21 | 2004 | 16387.83 |
| 22 | 2003 | 15826.66 |
| 23 | 2002 | 15283.41 |
| 24 | 2001 | 15030.01 |
| 25 | 2000 | 15075.95 |
| 26 | 1999 | 14089.92 |
| 27 | 1998 | 13851.25 |
| 28 | 1997 | 13207.18 |
| 29 | 1996 | 12400.82 |
| 30 | 1995 | 11723.09 |
| 31 | 1994 | 11273.68 |
| 32 | 1993 | 10845.01 |
| 33 | 1992 | 10541.23 |
| 34 | 1991 | 10966.14 |
| 35 | 1990 | 11071.65 |
