| 时间 | 值 （百万吨公里） | 世界排名 |
|---|---|---|
| 2016 | 487960477 | 2 |
| 2015 | 436183969 | 2 |
| 2014 | 390878784 | 2 |
| 2013 | 352795296 | 2 |
| 2012 | 318475924 | 2 |
| 2011 | 292160158 | 2 |
| 2010 | 266293020 | 2 |
| 2009 | 229062099 | 2 |
| 2008 | 191001220 | 2 |
| 2007 | 183613132 | 2 |
| 2006 | 158013351 | 2 |
| 2005 | 136721623 | 2 |
| 2004 | 119789024 | 2 |
| 2003 | 86040642 | 3 |
| 2002 | 83671798 | 3 |
| 2001 | 72660653 | 3 |
| 2000 | 61891807 | 4 |
| 1999 | 55853100 | 4 |
| 1998 | 53234000 | 4 |
| 1997 | 52277000 | 4 |
| 1996 | 51770100 | 4 |
| 1995 | 47564500 | 4 |
| 1994 | 37601000 | 5 |
| 1993 | 31312500 | 6 |
| 1992 | 27345000 | 7 |
| 1991 | 19520000 | 9 |
| 1990 | 16596100 | 11 |
| 1989 | 11080000 | 14 |
| 1988 | 17000000 | 10 |
| 1987 | 12500000 | 13 |
| 1986 | 10000000 | 13 |