查看数据
| 年份 | 马期末数量(万头) |
|---|
| 1978 | 1124.50 |
| 1979 | 1114.50 |
| 1980 | 1104.20 |
| 1981 | 1097.20 |
| 1982 | 1098.10 |
| 1983 | 1080.60 |
| 1984 | 1097.80 |
| 1985 | 1108.10 |
| 1986 | 1098.80 |
| 1987 | 1069.10 |
| 1988 | 1054.00 |
| 1989 | 1029.40 |
| 1990 | 1017.40 |
| 1991 | 1009.40 |
| 1992 | 1001.70 |
| 1993 | 995.90 |
| 1994 | 1003.80 |
| 1995 | 1007.09 |
| 1996 | 871.50 |
| 1997 | 891.20 |
| 1998 | 898.10 |
| 1999 | 891.40 |
| 2000 | 876.58 |
| 2001 | 826.00 |
| 2002 | 808.77 |
| 2003 | 790.02 |
| 2004 | 763.85 |
| 2005 | 739.96 |
| 2006 | 719.34 |
| 2007 | 646.69 |
| 2008 | 594.74 |
| 2009 | 562.28 |
| 2010 | 529.95 |
| 2011 | 515.39 |
| 2012 | 465.24 |
| 2013 | 431.68 |
| 2014 | 415.75 |
| 2015 | 397.50 |
| 2016 | 351.18 |
| 2017 | 343.64 |
| 2018 | 347.31 |
| 2019 | 367.10 |
| 2020 | 367.16 |
| 2021 | 372.49 |
| 2022 | 366.68 |
| 2023 | 359.06 |
| 2024 | 352.10 |
相关系数矩阵
⚠️ 有效变量不足，无法计算相关系数