| Year |
US
$ million
|
| 1990 |
3,487
|
| 1991 |
4,366
|
| 1992 |
11,007
|
| 1993 |
27,515
|
| 1994 |
33,767
|
| 1995 |
37,521
|
| 1996 |
41,725
|
| 1997 |
45,257
|
| 1998 |
45,463
|
| 1999 |
40,319
|
| 2000 |
40,715
|
| 2001 |
46,850
|
| 2002 |
52,743
|
| 2003 |
53,500
|
