| 时间 | 值 （百万吨公里） | 世界排名 |
|---|---|---|
| 2016 | 467713 | 116 |
| 2015 | 452004 | 119 |
| 2014 | 608844 | 108 |
| 2013 | 711548.5 | 102 |
| 2012 | 794176 | 100 |
| 2011 | 845395.7 | 99 |
| 2010 | 715072 | 99 |
| 2009 | 428493 | 113 |
| 2008 | 465911 | 108 |
| 2007 | 458688 | 105 |
| 2006 | 432760 | 105 |
| 2005 | 445854 | 106 |
| 2004 | 373456 | 112 |
| 2003 | 298928 | 111 |
| 2002 | 267089 | 108 |
| 2001 | 281040 | 109 |
| 2000 | 265898 | 112 |
| 1999 | 231700 | 116 |
| 1998 | 222200 | 120 |
| 1997 | 196000 | 123 |
| 1996 | 260500 | 112 |
| 1995 | 105200 | 131 |
| 1994 | 324200 | 105 |
| 1993 | 337500 | 102 |
| 1992 | 313600 | 103 |
| 1991 | 308800 | 97 |
| 1990 | 273000 | 99 |
| 1989 | 272300 | 97 |
| 1988 | 248600 | 99 |
| 1987 | 205000 | 105 |
| 1986 | 184200 | 107 |