| 时间 | 值 （百万吨公里） | 世界排名 |
|---|---|---|
| 2016 | 96529128.1 | 9 |
| 2015 | 90095129.2 | 10 |
| 2014 | 85215879.5 | 8 |
| 2013 | 81721356 | 8 |
| 2012 | 79405799.8 | 8 |
| 2011 | 70912258.1 | 9 |
| 2010 | 59384361.6 | 12 |
| 2009 | 27421235 | 19 |
| 2008 | 29766093 | 16 |
| 2007 | 30405918 | 16 |
| 2006 | 29867483 | 15 |
| 2005 | 26835524 | 15 |
| 2004 | 26780550 | 14 |
| 2003 | 12221066 | 26 |
| 2002 | 12113452 | 26 |
| 2001 | 12453812 | 27 |
| 2000 | 9916365 | 29 |
| 1999 | 8046800 | 32 |
| 1998 | 12613600 | 22 |
| 1997 | 12650200 | 21 |
| 1996 | 17138800 | 14 |
| 1995 | 15977200 | 15 |
| 1994 | 13924500 | 16 |
| 1993 | 12009000 | 16 |
| 1992 | 11176800 | 16 |
| 1991 | 10401800 | 17 |
| 1990 | 9223100 | 18 |
| 1989 | 8983400 | 18 |
| 1988 | 8823700 | 17 |
| 1987 | 7568900 | 18 |
| 1986 | 7115400 | 18 |