| 时间 | 值 （百万吨公里） | 世界排名 |
|---|---|---|
| 2016 | 77319.8 | 140 |
| 2015 | 137331.3 | 134 |
| 2013 | 0 | 157 |
| 2012 | 42729.3 | 153 |
| 2011 | 121233.4 | 143 |
| 2010 | 243635.5 | 130 |
| 2009 | 524867 | 107 |
| 2008 | 545640 | 105 |
| 2007 | 535324 | 102 |
| 2006 | 508368 | 103 |
| 2005 | 465343 | 104 |
| 2004 | 430873 | 110 |
| 2003 | 385529 | 103 |
| 2002 | 365877 | 102 |
| 2001 | 373904 | 102 |
| 2000 | 446688 | 101 |
| 1999 | 423100 | 100 |
| 1998 | 466700 | 103 |
| 1997 | 468500 | 100 |
| 1996 | 431300 | 102 |
| 1995 | 508200 | 96 |
| 1994 | 505200 | 97 |
| 1993 | 302300 | 108 |
| 1992 | 471400 | 92 |
| 1991 | 436000 | 88 |
| 1990 | 398300 | 92 |
| 1989 | 406700 | 87 |
| 1988 | 382800 | 91 |
| 1987 | 393100 | 87 |
| 1986 | 459500 | 82 |