年份 | 1997 | 2000 | 2003 | 2006 | 2009 | 2012 | 2015 | ||
投入 | x1 | 均值 | 199.69 | 208.69 | 156.49 | 289.19 | 428.47 | 663.59 | 718.67 |
标准差 | 322.95 | 325.61 | 207.76 | 353.94 | 498.86 | 712.31 | 805.76 | ||
x2 | 均值 | 85.12 | 131.55 | 260.72 | 328.42 | 526.56 | 747.54 | 817.96 | |
标准差 | 126.97 | 180.60 | 343.54 | 410.00 | 535.37 | 754.67 | 837.17 | ||
产出 | y1 | 均值 | 86.58 | 122.89 | 235.37 | 415.45 | 638.32 | 867.87 | 958.92 |
标准差 | 138.74 | 165.67 | 322.53 | 531.05 | 791.63 | 931.74 | 997.67 | ||
y2 | 均值 | 47.65 | 57.93 | 51.13 | 92.79 | 182.89 | 287.93 | 342.19 | |
标准差 | 56.70 | 79.64 | 65.12 | 122.42 | 232.15 | 321.45 | 375.45 | ||
解释变量 | ERE | 均值 | 13.35 | 25.54 | 23.52 | 26.92 | 24.05 | 25.67 | 27.95 |
标准差 | 10.87 | 9.50 | 7.43 | 9.32 | 7.59 | 8.79 | 9.39 | ||
ER | 均值 | 5.54 | 4.25 | 3.71 | 4.27 | 4.76 | 4.32 | 4.89 | |
标准差 | 2.79 | 1.86 | 1.22 | 1.92 | 0.99 | 1.32 | 1.89 |