单位:吨/公顷
时间范围:1977 - 2023
数据来源:美国农业部
序号 | 时间(年) | 数据(吨/公顷) |
---|---|---|
1 | 2023 | |
2 | 2022 | |
3 | 2021 | |
4 | 2020 | |
5 | 2019 | |
6 | 2018 | 3.33 |
7 | 2017 | 2.32 |
8 | 2016 | 3.17 |
9 | 2015 | 3.04 |
10 | 2014 | 3.18 |
11 | 2013 | 2.77 |
12 | 2012 | 2.50 |
13 | 2011 | 2.28 |
14 | 2010 | 2.68 |
15 | 2009 | 2.93 |
16 | 2008 | 2.00 |
17 | 2007 | 2.82 |
18 | 2006 | 2.99 |
19 | 2005 | 2.66 |
20 | 2004 | 2.71 |
21 | 2003 | 2.36 |
22 | 2002 | 2.82 |
23 | 2001 | 2.63 |
24 | 2000 | 2.67 |
25 | 1999 | 2.47 |
26 | 1998 | 2.45 |
27 | 1997 | 2.80 |
28 | 1996 | 1.81 |
29 | 1995 | 2.09 |
30 | 1994 | 2.19 |
31 | 1993 | 2.30 |
32 | 1992 | 2.32 |
33 | 1991 | 2.36 |
34 | 1990 | 2.42 |
35 | 1989 | 2.17 |
36 | 1988 | 1.63 |
37 | 1987 | 2.35 |
38 | 1986 | 1.99 |
39 | 1985 | 2.20 |
40 | 1984 | 2.06 |
41 | 1983 | 2.41 |
42 | 1982 | 1.84 |
43 | 1981 | 2.09 |
44 | 1980 | 2.01 |
45 | 1979 | 1.77 |
46 | 1978 | 2.31 |
47 | 1977 | 2.16 |
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