| 时间 | 值 （百万吨公里） | 世界排名 |
|---|---|---|
| 2016 | 1845726 | 81 |
| 2015 | 1830972 | 78 |
| 2014 | 1710624 | 81 |
| 2013 | 1555788 | 83 |
| 2012 | 781146 | 102 |
| 2011 | 785200 | 102 |
| 2010 | 786920 | 96 |
| 2009 | 681482 | 100 |
| 2008 | 1059848 | 88 |
| 2007 | 1039067 | 85 |
| 2006 | 927738 | 87 |
| 2005 | 851136 | 85 |
| 2004 | 855840 | 88 |
| 2003 | 853903 | 88 |
| 2002 | 822533 | 88 |
| 2001 | 885852 | 84 |
| 2000 | 870831 | 84 |
| 1999 | 842700 | 82 |
| 1998 | 701400 | 87 |
| 1997 | 559800 | 94 |
| 1996 | 639100 | 89 |
| 1995 | 569700 | 92 |
| 1994 | 532500 | 94 |
| 1993 | 470500 | 96 |
| 1992 | 460600 | 93 |
| 1991 | 405700 | 90 |
| 1990 | 409300 | 90 |
| 1989 | 296000 | 96 |
| 1988 | 293900 | 97 |
| 1987 | 272900 | 96 |
| 1986 | 247700 | 97 |