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| 年份 | 冬小麦产量占小麦产量比重(%) | 春小麦产量占小麦产量比重(%) |
| 1978 | 87.06 | 12.94 |
| 1979 | 87.57 | 12.43 |
| 1980 | 84.21 | 15.79 |
| 1981 | 87.06 | 12.94 |
| 1982 | 87.95 | 12.05 |
| 1983 | 87.22 | 12.78 |
| 1984 | 88.29 | 11.71 |
| 1985 | 88.38 | 11.62 |
| 1986 | 89.25 | 10.75 |
| 1987 | 89.87 | 10.13 |
| 1988 | 89.35 | 10.65 |
| 1989 | 88.52 | 11.48 |
| 1990 | 86.76 | 13.24 |
| 1991 | 87.21 | 12.79 |
| 1992 | 87.02 | 12.98 |
| 1993 | 88.12 | 11.88 |
| 1994 | 89.79 | 10.21 |
| 1995 | 89.71 | 10.29 |
| 1996 | 88.58 | 11.42 |
| 1997 | 89.90 | 10.10 |
| 1998 | 89.13 | 10.87 |
| 1999 | 90.12 | 9.88 |
| 2000 | 92.54 | 7.46 |
| 2001 | 100.00 | - |
| 2002 | 93.51 | 6.49 |
| 2003 | 95.05 | 4.96 |
| 2004 | 93.76 | 6.24 |
| 2005 | 93.81 | 6.19 |
| 2006 | 94.28 | 5.72 |
| 2007 | 95.00 | 5.00 |
| 2008 | 94.84 | 5.16 |
| 2009 | 93.64 | 6.36 |
| 2010 | 94.54 | 5.46 |
| 2011 | 94.72 | 5.28 |
| 2012 | 94.95 | 5.05 |
| 2013 | 95.15 | 4.85 |
| 2014 | 95.38 | 4.62 |
| 2015 | 95.24 | 4.76 |
| 2016 | 95.06 | 4.94 |
| 2017 | 95.31 | 4.69 |
| 2018 | 95.10 | 4.90 |
| 2019 | 95.61 | 4.39 |
| 2020 | 95.99 | 4.01 |
| 2021 | 96.22 | 3.78 |
| 2022 | 96.16 | 3.84 |
| 2023 | - | - |
| 2024 | - | - |
相关系数矩阵
| 冬小麦产量占小麦产量比重(%) | 春小麦产量占小麦产量比重(%) |
|---|
| 冬小麦产量占小麦产量比重(%) | 1.000000 | -1.000000 |
|---|
| 春小麦产量占小麦产量比重(%) | -1.000000 | 1.000000 |
|---|