单位:吨/公顷
时间范围:2005 - 2025
数据来源:美国农业部
| 序号 | 时间(年) | 数据(吨/公顷) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | 3.70 |
| 7 | 2019 | 4.10 |
| 8 | 2018 | 3.38 |
| 9 | 2017 | 3.38 |
| 10 | 2016 | 4.50 |
| 11 | 2015 | 4.17 |
| 12 | 2014 | 2.42 |
| 13 | 2013 | 3.25 |
| 14 | 2012 | 2.77 |
| 15 | 2011 | 2.40 |
| 16 | 2010 | 1.59 |
| 17 | 2009 | 1.80 |
| 18 | 2008 | 1.71 |
| 19 | 2007 | 1.60 |
| 20 | 2006 | 1.50 |
| 21 | 2005 | 1.00 |
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