| 时间 | 值 （百万吨公里） | 世界排名 |
|---|---|---|
| 2016 | 15243179.2 | 35 |
| 2015 | 14330939.9 | 36 |
| 2014 | 13618712 | 36 |
| 2013 | 14434056 | 34 |
| 2012 | 13937353.9 | 34 |
| 2011 | 13747024.2 | 34 |
| 2010 | 13295185 | 33 |
| 2009 | 12104116 | 30 |
| 2008 | 12950904 | 27 |
| 2007 | 12545766 | 27 |
| 2006 | 12382205 | 27 |
| 2005 | 11951935 | 26 |
| 2004 | 11305401 | 29 |
| 2003 | 12259437 | 25 |
| 2002 | 11285424 | 27 |
| 2001 | 11467023 | 28 |
| 2000 | 10781314 | 27 |
| 1999 | 9565600 | 28 |
| 1998 | 8654900 | 31 |
| 1997 | 9435400 | 26 |
| 1996 | 9597000 | 25 |
| 1995 | 7676600 | 27 |
| 1994 | 7716100 | 25 |
| 1993 | 6290800 | 28 |
| 1992 | 5784400 | 28 |
| 1991 | 5370800 | 29 |
| 1990 | 5865600 | 26 |
| 1989 | 5723500 | 26 |
| 1988 | 5093600 | 29 |
| 1987 | 4812300 | 30 |
| 1986 | 4527300 | 29 |