| 时间 | 值 （百万吨公里） | 世界排名 |
|---|---|---|
| 2016 | 1283181.3 | 88 |
| 2015 | 1430459.9 | 85 |
| 2014 | 2391856 | 73 |
| 2013 | 2744844 | 68 |
| 2012 | 1398125.1 | 81 |
| 2011 | 2284066.5 | 67 |
| 2010 | 2928705.7 | 65 |
| 2009 | 1147234 | 82 |
| 2008 | 1213854 | 79 |
| 2007 | 1204107 | 79 |
| 2006 | 1151785 | 78 |
| 2005 | 0 | 140 |
| 2004 | 850185 | 89 |
| 2003 | 626532 | 94 |
| 2002 | 559404 | 95 |
| 2001 | 582712 | 94 |
| 2000 | 600734 | 94 |
| 1999 | 585500 | 92 |
| 1998 | 570600 | 94 |
| 1997 | 570600 | 92 |
| 1996 | 638600 | 90 |
| 1995 | 623200 | 91 |
| 1994 | 640800 | 89 |
| 1993 | 853000 | 74 |
| 1992 | 1350100 | 54 |
| 1991 | 1883700 | 45 |
| 1990 | 1803000 | 45 |
| 1989 | 1617000 | 47 |
| 1988 | 1581200 | 46 |
| 1987 | 1515100 | 47 |
| 1986 | 1382900 | 48 |