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| 年份 | 绵羊年底只数(万只) |
| 1978 | 9639.70 |
| 1979 | 10256.80 |
| 1980 | 10662.70 |
| 1981 | 10946.60 |
| 1982 | 10656.80 |
| 1983 | 9891.60 |
| 1984 | 9519.30 |
| 1985 | 9421.00 |
| 1986 | 9900.90 |
| 1987 | 10265.50 |
| 1988 | 11057.10 |
| 1989 | 11350.80 |
| 1990 | 11281.60 |
| 1991 | 11085.50 |
| 1992 | 10971.90 |
| 1993 | 11161.80 |
| 1994 | 11744.43 |
| 1995 | 12726.31 |
| 1996 | 11412.50 |
| 1997 | 12095.60 |
| 1998 | 12735.20 |
| 1999 | 13109.50 |
| 2000 | 13002.62 |
| 2001 | 13062.80 |
| 2002 | 13399.70 |
| 2003 | 14339.50 |
| 2004 | 15230.50 |
| 2005 | 15133.71 |
| 2006 | 14381.54 |
| 2007 | 14042.47 |
| 2008 | 13756.73 |
| 2009 | 14328.94 |
| 2010 | 14535.18 |
| 2011 | 14576.71 |
| 2012 | 14580.44 |
| 2013 | 15277.70 |
| 2014 | 16223.77 |
| 2015 | 16666.78 |
| 2016 | 16238.77 |
| 2017 | 16407.89 |
| 2018 | 16138.82 |
| 2019 | 16348.96 |
| 2020 | 17309.53 |
| 2021 | 18637.68 |
| 2022 | 19403.01 |
| 2023 | 19298.37 |
| 2024 | 18293.90 |
相关系数矩阵
⚠️ 有效变量不足,无法计算相关系数