| 时间 | 值 （百万吨公里） | 世界排名 |
|---|---|---|
| 2016 | 125648741 | 4 |
| 2015 | 114739133 | 5 |
| 2014 | 98449140 | 7 |
| 2013 | 93408036 | 7 |
| 2012 | 92637189.2 | 7 |
| 2011 | 89956333.5 | 5 |
| 2010 | 84784226 | 6 |
| 2009 | 77747207 | 6 |
| 2008 | 69447262 | 6 |
| 2007 | 60099058 | 8 |
| 2006 | 50737809 | 8 |
| 2005 | 42872544 | 10 |
| 2004 | 34748853 | 12 |
| 2003 | 28863657 | 13 |
| 2002 | 19728801 | 15 |
| 2001 | 15450847 | 22 |
| 2000 | 13983022 | 23 |
| 1999 | 11948800 | 25 |
| 1998 | 10401200 | 26 |
| 1997 | 8963700 | 29 |
| 1996 | 7676800 | 29 |
| 1995 | 6586500 | 30 |
| 1994 | 4825700 | 36 |
| 1993 | 4650400 | 36 |
| 1992 | 5006000 | 33 |
| 1991 | 4764600 | 33 |
| 1990 | 4812300 | 34 |
| 1989 | 4376300 | 34 |
| 1988 | 3675600 | 35 |
| 1987 | 2279000 | 41 |
| 1986 | 1972000 | 42 |