| 时间 | 值 （百万吨公里） | 世界排名 |
|---|---|---|
| 2016 | 1220200.4 | 91 |
| 2015 | 1181187.7 | 93 |
| 2014 | 1310124 | 88 |
| 2013 | 1476528 | 85 |
| 2012 | 877949.9 | 97 |
| 2011 | 532707 | 111 |
| 2010 | 443778 | 116 |
| 2009 | 302596 | 119 |
| 2008 | 323401 | 115 |
| 2007 | 328326 | 112 |
| 2006 | 326730 | 112 |
| 2005 | 293442 | 113 |
| 2004 | 271706 | 120 |
| 2003 | 218652 | 120 |
| 2002 | 219598 | 118 |
| 2001 | 210847 | 118 |
| 2000 | 210847 | 121 |
| 1999 | 197200 | 120 |
| 1998 | 124100 | 129 |
| 1997 | 124500 | 130 |
| 1996 | 124500 | 134 |
| 1995 | 124500 | 128 |
| 1994 | 118500 | 132 |
| 1993 | 118500 | 130 |
| 1992 | 118500 | 126 |
| 1991 | 115400 | 120 |
| 1990 | 115400 | 120 |
| 1989 | 49600 | 130 |
| 1988 | 47500 | 129 |
| 1987 | 45000 | 130 |
| 1986 | 24500 | 140 |