| 时间 | 值 （百万吨公里） | 世界排名 |
|---|---|---|
| 2016 | 2061274.5 | 76 |
| 2015 | 2062584 | 76 |
| 2014 | 2074020 | 77 |
| 2013 | 1870968 | 75 |
| 2012 | 1630308.4 | 77 |
| 2011 | 1563593.9 | 78 |
| 2010 | 1405169 | 82 |
| 2009 | 847353 | 92 |
| 2008 | 904885 | 91 |
| 2007 | 918665 | 90 |
| 2006 | 918640 | 88 |
| 2005 | 818773 | 86 |
| 2004 | 762784 | 93 |
| 2003 | 690528 | 92 |
| 2002 | 1234779 | 74 |
| 2001 | 1188089 | 75 |
| 2000 | 1099772 | 77 |
| 1999 | 1058200 | 74 |
| 1998 | 1110300 | 73 |
| 1997 | 1114000 | 71 |
| 1996 | 970000 | 72 |
| 1995 | 970000 | 74 |
| 1994 | 1112800 | 66 |
| 1993 | 866000 | 72 |
| 1992 | 954000 | 68 |
| 1991 | 911000 | 58 |
| 1990 | 931200 | 63 |
| 1989 | 963400 | 63 |
| 1988 | 886600 | 65 |
| 1987 | 798300 | 64 |
| 1986 | 807400 | 64 |