| 年份 | 玉米出口金额(百万美元) |
|---|---|
| 1978 | - |
| 1979 | - |
| 1980 | - |
| 1981 | - |
| 1982 | - |
| 1983 | - |
| 1984 | - |
| 1985 | - |
| 1986 | - |
| 1987 | - |
| 1988 | - |
| 1989 | - |
| 1990 | - |
| 1991 | - |
| 1992 | - |
| 1993 | - |
| 1994 | - |
| 1995 | - |
| 1996 | 30.27 |
| 1997 | 858.95 |
| 1998 | 531.69 |
| 1999 | 450.02 |
| 2000 | 1051.70 |
| 2001 | 625.60 |
| 2002 | 1167.51 |
| 2003 | 1767.18 |
| 2004 | 325.71 |
| 2005 | 1107.53 |
| 2006 | 421.69 |
| 2007 | 875.33 |
| 2008 | 79.42 |
| 2009 | 31.71 |
| 2010 | 33.35 |
| 2011 | 46.58 |
| 2012 | 101.17 |
| 2013 | 33.19 |
| 2014 | 7.69 |
| 2015 | 4.90 |
| 2016 | 2.88 |
| 2017 | 22.24 |
| 2018 | 5.99 |
| 2019 | 9.87 |
| 2020 | - |
| 2021 | - |
| 2022 | - |
| 2023 | - |
| 2024 | - |
| 2025 | - |