| 时间 | 值 （百万吨公里） | 世界排名 |
|---|---|---|
| 2016 | 1500824 | 84 |
| 2015 | 1583046 | 81 |
| 2014 | 1588165 | 83 |
| 2013 | 1603404 | 81 |
| 2012 | 1535101 | 80 |
| 2011 | 1673765 | 77 |
| 2010 | 1699829 | 75 |
| 2009 | 1992900 | 65 |
| 2008 | 1708268 | 68 |
| 2007 | 1674773 | 68 |
| 2006 | 1495333 | 70 |
| 2005 | 1371865 | 71 |
| 2004 | 1365223 | 75 |
| 2003 | 1309119 | 74 |
| 2002 | 1398990 | 68 |
| 2001 | 1340031 | 71 |
| 2000 | 1364904 | 69 |
| 1999 | 1421300 | 63 |
| 1998 | 1159400 | 69 |
| 1997 | 1054300 | 72 |
| 1996 | 1037500 | 70 |
| 1995 | 1065900 | 71 |
| 1994 | 1002500 | 71 |
| 1993 | 797000 | 78 |
| 1992 | 692500 | 79 |
| 1991 | 648600 | 75 |
| 1990 | 597800 | 81 |
| 1989 | 506500 | 81 |
| 1988 | 480600 | 84 |
| 1987 | 429400 | 82 |
| 1986 | 411300 | 87 |