| 序号 | 时间 (年) |
数据 (亿美元) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 29.18 |
| 8 | 2017 | 19.93 |
| 9 | 2016 | 18.98 |
| 10 | 2015 | 19.06 |
| 11 | 2014 | 28.67 |
| 12 | 2013 | 33.07 |
| 13 | 2012 | 34.05 |
| 14 | 2011 | 31.65 |
| 15 | 2010 | 19.15 |
| 16 | 2009 | 12.48 |
| 17 | 2008 | 16.85 |
| 18 | 2007 | 17.38 |
| 19 | 2006 | 15.69 |
| 20 | 2005 | 9.98 |
| 21 | 2004 | 6.70 |
| 22 | 2003 | 3.99 |
| 23 | 2002 | 2.27 |
| 24 | 2001 | 2.27 |
| 25 | 2000 | 1.98 |
| 26 | 1999 | 3.54 |
| 27 | 1998 | 3.47 |
| 28 | 1997 | 4.39 |
| 29 | 1996 | 4.45 |
| 30 | 1995 | 5.63 |
| 31 | 1994 | 3.76 |
| 32 | 1993 | 3.21 |
| 33 | 1992 | 4.81 |
| 34 | 1991 | 6.06 |
| 35 | 1990 | 5.99 |
| 36 | 1989 | 5.33 |
| 37 | 1988 | 2.55 |
| 38 | 1987 | 2.56 |
| 39 | 1986 | 3.94 |
| 40 | 1985 | 4.21 |
| 41 | 1984 | 4.20 |
| 42 | 1983 | 5.74 |
| 43 | 1982 | 7.97 |
| 44 | 1981 | 5.16 |
