| 序号 | 时间 (年) |
数据 (百万美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | |
| 8 | 2016 | |
| 9 | 2015 | |
| 10 | 2014 | |
| 11 | 2013 | 34.88 |
| 12 | 2012 | 37.37 |
| 13 | 2011 | 29.60 |
| 14 | 2010 | 26.55 |
| 15 | 2009 | 24.85 |
| 16 | 2008 | 25.79 |
| 17 | 2007 | 38.57 |
| 18 | 2006 | 33.49 |
| 19 | 2005 | 28.36 |
| 20 | 2004 | 26.06 |
| 21 | 2003 | 23.01 |
| 22 | 2002 | 24.16 |
| 23 | 2001 | 28.65 |
| 24 | 2000 | 29.44 |
| 25 | 1999 | 24.90 |
| 26 | 1998 | 27.81 |
| 27 | 1997 | 21.39 |
| 28 | 1988 | 30.98 |
| 29 | 1987 | 26.47 |
| 30 | 1986 | 18.18 |
| 31 | 1985 | 17.91 |
| 32 | 1984 | 17.60 |
| 33 | 1983 | 15.15 |
| 34 | 1982 | 13.91 |
| 35 | 1981 | 11.60 |
| 36 | 1980 | 16.26 |
