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| 年份 | 农用氮、磷、钾化肥产量(万吨) |
| 1978 | 869.30 |
| 1979 | 1065.40 |
| 1980 | 1232.10 |
| 1981 | 1239.00 |
| 1982 | 1278.10 |
| 1983 | 1378.90 |
| 1984 | 1460.20 |
| 1985 | 1322.20 |
| 1986 | 1395.70 |
| 1987 | 1672.20 |
| 1988 | 1740.20 |
| 1989 | 1802.50 |
| 1990 | 1879.70 |
| 1991 | 1979.50 |
| 1992 | 2047.90 |
| 1993 | 1956.30 |
| 1994 | 2272.80 |
| 1995 | 2548.14 |
| 1996 | 2809.04 |
| 1997 | 2820.96 |
| 1998 | 3010.00 |
| 1999 | 3251.00 |
| 2000 | 3186.00 |
| 2001 | 3383.01 |
| 2002 | 3791.00 |
| 2003 | 3881.31 |
| 2004 | 4804.82 |
| 2005 | 5177.86 |
| 2006 | 5345.05 |
| 2007 | 5824.98 |
| 2008 | 6028.05 |
| 2009 | 6385.01 |
| 2010 | 6337.86 |
| 2011 | 6419.39 |
| 2012 | 6832.10 |
| 2013 | 7026.18 |
| 2014 | 6876.85 |
| 2015 | 7431.99 |
| 2016 | 6629.62 |
| 2017 | 5891.71 |
| 2018 | 5403.51 |
| 2019 | 5731.18 |
| 2020 | 5495.97 |
| 2021 | 5543.58 |
| 2022 | 5573.38 |
| 2023 | 5683.83 |
| 2024 | 6006.09 |
相关系数矩阵
⚠️ 有效变量不足,无法计算相关系数