| 时间 | 值 （百万吨公里） | 世界排名 |
|---|---|---|
| 2016 | 72597700.8 | 15 |
| 2015 | 69779345.5 | 14 |
| 2014 | 68123237.7 | 14 |
| 2013 | 68197955 | 12 |
| 2012 | 66355274 | 11 |
| 2011 | 63360310.3 | 12 |
| 2010 | 60640913 | 11 |
| 2009 | 50026967 | 11 |
| 2008 | 51488427 | 11 |
| 2007 | 48728837 | 11 |
| 2006 | 46951775 | 9 |
| 2005 | 44657324 | 9 |
| 2004 | 41596552 | 8 |
| 2003 | 41386432 | 8 |
| 2002 | 39021581 | 8 |
| 2001 | 33477398 | 11 |
| 2000 | 32577569 | 10 |
| 1999 | 31579700 | 8 |
| 1998 | 30185700 | 8 |
| 1997 | 30953500 | 8 |
| 1996 | 30075100 | 8 |
| 1995 | 28831400 | 8 |
| 1994 | 26888500 | 8 |
| 1993 | 26929300 | 8 |
| 1992 | 23886600 | 8 |
| 1991 | 21860100 | 7 |
| 1990 | 17553400 | 10 |
| 1989 | 15114300 | 10 |
| 1988 | 18816300 | 7 |
| 1987 | 16880200 | 8 |
| 1986 | 15497300 | 7 |