| 时间 | 值 （百万吨公里） | 世界排名 |
|---|---|---|
| 2016 | 3181283 | 67 |
| 2015 | 3065145 | 67 |
| 2014 | 3211795 | 64 |
| 2013 | 3294911 | 62 |
| 2012 | 3438356 | 64 |
| 2011 | 3267109.7 | 64 |
| 2010 | 3077036.7 | 63 |
| 2009 | 2323750 | 62 |
| 2008 | 2355285 | 59 |
| 2007 | 2246212 | 60 |
| 2006 | 2046457 | 60 |
| 2005 | 1737165 | 62 |
| 2004 | 1660235 | 68 |
| 2003 | 1353444 | 73 |
| 2002 | 1299699 | 70 |
| 2001 | 1178058 | 76 |
| 2000 | 1281997 | 73 |
| 1999 | 1252200 | 71 |
| 1998 | 1186700 | 67 |
| 1997 | 1353400 | 61 |
| 1996 | 1299200 | 60 |
| 1995 | 1270000 | 59 |
| 1994 | 1219500 | 61 |
| 1993 | 1185600 | 59 |
| 1992 | 1109300 | 58 |
| 1991 | 797200 | 69 |
| 1990 | 963900 | 62 |
| 1989 | 1204000 | 57 |
| 1988 | 1225900 | 53 |
| 1987 | 1178000 | 56 |
| 1986 | 1132000 | 53 |