| 时间 | 值 （百万吨公里） | 世界排名 |
|---|---|---|
| 2016 | 634292.1 | 105 |
| 2015 | 510341.7 | 113 |
| 2014 | 517548 | 115 |
| 2013 | 643140 | 106 |
| 2012 | 776864.1 | 104 |
| 2011 | 901116.1 | 97 |
| 2010 | 917939 | 93 |
| 2009 | 484394 | 110 |
| 2008 | 520303 | 106 |
| 2007 | 528226 | 103 |
| 2006 | 509792 | 102 |
| 2005 | 480266 | 102 |
| 2004 | 444691 | 109 |
| 2003 | 356369 | 105 |
| 2002 | 352544 | 103 |
| 2001 | 641142 | 92 |
| 2000 | 643332 | 89 |
| 1999 | 582600 | 93 |
| 1998 | 753600 | 85 |
| 1997 | 755000 | 85 |
| 1996 | 755000 | 81 |
| 1995 | 716700 | 86 |
| 1994 | 682600 | 86 |
| 1993 | 633100 | 86 |
| 1992 | 648800 | 82 |
| 1991 | 633900 | 78 |
| 1990 | 679000 | 75 |
| 1989 | 679100 | 74 |
| 1988 | 987800 | 63 |
| 1987 | 408800 | 86 |
| 1986 | 436200 | 86 |