| 时间 | 值 （百万吨公里） | 世界排名 |
|---|---|---|
| 2016 | 1092333.4 | 94 |
| 2015 | 1063498 | 96 |
| 2014 | 1060147 | 97 |
| 2013 | 1013220 | 96 |
| 2012 | 973062 | 93 |
| 2011 | 932868 | 95 |
| 2010 | 801840 | 94 |
| 2009 | 798165 | 94 |
| 2008 | 1073496 | 85 |
| 2007 | 855229 | 92 |
| 2006 | 808451 | 91 |
| 2005 | 653703 | 93 |
| 2004 | 476277 | 105 |
| 2003 | 310952 | 109 |
| 2002 | 62798 | 138 |
| 2001 | 233963 | 115 |
| 2000 | 535246 | 98 |
| 1999 | 734700 | 85 |
| 1998 | 827700 | 80 |
| 1997 | 721700 | 86 |
| 1996 | 718200 | 84 |
| 1995 | 862700 | 78 |
| 1994 | 789200 | 76 |
| 1993 | 915800 | 71 |
| 1992 | 814000 | 73 |
| 1991 | 645700 | 76 |
| 1990 | 1907000 | 43 |
| 1989 | 1997700 | 43 |
| 1988 | 2163600 | 42 |
| 1987 | 2095000 | 42 |
| 1986 | 1965300 | 43 |