| 时间 | 值 （百万吨公里） | 世界排名 |
|---|---|---|
| 2016 | 65362743 | 17 |
| 2015 | 65039503 | 16 |
| 2014 | 63434263 | 15 |
| 2013 | 63925151 | 15 |
| 2012 | 64683769 | 12 |
| 2011 | 64185339.3 | 11 |
| 2010 | 60864422.1 | 10 |
| 2009 | 58318312 | 8 |
| 2008 | 61214656 | 7 |
| 2007 | 61551258 | 6 |
| 2006 | 59537872 | 6 |
| 2005 | 52477178 | 6 |
| 2004 | 48543473 | 6 |
| 2003 | 47258820 | 6 |
| 2002 | 49305864 | 6 |
| 2001 | 50476541 | 6 |
| 2000 | 52581312 | 6 |
| 1999 | 49536300 | 6 |
| 1998 | 42232400 | 6 |
| 1997 | 43400700 | 6 |
| 1996 | 41252600 | 5 |
| 1995 | 36020400 | 5 |
| 1994 | 38170400 | 4 |
| 1993 | 35625600 | 5 |
| 1992 | 33963900 | 5 |
| 1991 | 33127800 | 5 |
| 1990 | 35963900 | 4 |
| 1989 | 33975500 | 4 |
| 1988 | 30667300 | 4 |
| 1987 | 27950200 | 4 |
| 1986 | 25211400 | 4 |