| 时间 | 值 （百万吨公里） | 世界排名 |
|---|---|---|
| 2016 | 3686938 | 64 |
| 2015 | 3633457 | 65 |
| 2014 | 3067724.4 | 65 |
| 2013 | 3087143 | 64 |
| 2012 | 3593312 | 61 |
| 2011 | 3659209 | 61 |
| 2010 | 3733253 | 57 |
| 2009 | 3268022 | 54 |
| 2008 | 3253417 | 49 |
| 2007 | 3003872 | 50 |
| 2006 | 2047466 | 59 |
| 2005 | 1707714 | 63 |
| 2004 | 1337781 | 76 |
| 2003 | 1255313 | 75 |
| 2002 | 959487 | 84 |
| 2001 | 1137305 | 77 |
| 2000 | 1218102 | 75 |
| 1999 | 980300 | 77 |
| 1998 | 907600 | 76 |
| 1997 | 995200 | 73 |
| 1996 | 913300 | 75 |
| 1995 | 1244900 | 61 |
| 1994 | 1242700 | 59 |
| 1993 | 979400 | 69 |
| 1992 | 918900 | 70 |
| 1991 | 1148900 | 52 |
| 1990 | 1322000 | 51 |
| 1989 | 1271700 | 54 |
| 1988 | 1322500 | 49 |
| 1987 | 1281300 | 50 |
| 1986 | 1240400 | 51 |