| 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 | 16.91 |
| 8 | 2016 | 19.55 |
| 9 | 2015 | 21.81 |
| 10 | 2014 | 17.43 |
| 11 | 2013 | 13.93 |
| 12 | 2012 | 11.40 |
| 13 | 2011 | 14.36 |
| 14 | 2010 | 11.93 |
| 15 | 2009 | 12.95 |
| 16 | 2008 | 14.05 |
| 17 | 2007 | 19.98 |
| 18 | 2006 | 16.16 |
| 19 | 2005 | 17.31 |
| 20 | 2004 | 12.66 |
| 21 | 2003 | 12.56 |
| 22 | 2002 | 11.90 |
| 23 | 2001 | 9.52 |
| 24 | 2000 | 15.27 |
| 25 | 1999 | 11.14 |
| 26 | 1997 | 11.53 |
| 27 | 1996 | 7.73 |
| 28 | 1995 | 6.80 |
| 29 | 1994 | 5.73 |
| 30 | 1993 | 3.62 |
| 31 | 1988 | 4.23 |
| 32 | 1987 | 6.30 |
| 33 | 1986 | 1.48 |
| 34 | 1983 | 0.82 |
| 35 | 1982 | 0.95 |
| 36 | 1981 | 1.30 |
