| 时间 | 值 （百万吨公里） | 世界排名 |
|---|---|---|
| 2016 | 1179664 | 92 |
| 2015 | 1312806.3 | 90 |
| 2014 | 1124913.5 | 93 |
| 2013 | 1173942.8 | 92 |
| 2012 | 1030203.6 | 92 |
| 2011 | 914932 | 96 |
| 2010 | 750421 | 98 |
| 2009 | 683541 | 99 |
| 2008 | 202704 | 124 |
| 2007 | 250849 | 121 |
| 2006 | 189844 | 125 |
| 2005 | 257223 | 116 |
| 2004 | 243087 | 123 |
| 2003 | 149540 | 131 |
| 2002 | 134470 | 127 |
| 2001 | 174559 | 123 |
| 2000 | 193069 | 122 |
| 1999 | 190000 | 122 |
| 1998 | 220200 | 121 |
| 1997 | 217800 | 120 |
| 1996 | 224000 | 118 |
| 1995 | 236400 | 111 |
| 1994 | 199200 | 119 |
| 1993 | 188500 | 119 |
| 1992 | 216400 | 111 |
| 1991 | 289700 | 100 |
| 1990 | 292100 | 96 |
| 1989 | 266800 | 98 |
| 1988 | 410300 | 86 |
| 1987 | 456100 | 80 |
| 1986 | 441100 | 85 |