Mathematical Problems in Engineering / 2021 / Article / Tab 2 / Research Article
If There Appears a Path to Improve Chinese Logistics Industry Efficiency in Low-Carbon Perspective? A Qualitative Comparative Analysis of Provincial Data Table 2 Descriptive statistics of logistics industry input and output in China from 2008 to 2017.
Variable ā 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 Labor investment Mean 66.77 74.95 82.59 94.76 105.94 141.21 155.68 166.39 172.66 184.02 Std dev 48.79 55.85 62.84 73.90 77.67 100.50 115.63 122.69 126.12 135.05 Min 8.31 9.53 9.91 11.53 15.68 18.64 19.10 19.74 20.23 21.61 Max 212.18 246.96 272.36 314.76 344.39 454.46 541.41 576.72 575.70 626.25 Capital investment Mean 2500.12 2936.80 3453.53 3851.60 4297.92 4860.36 5543.16 6363.75 7257.56 8191.60 Std dev 2369.01 2322.24 2345.33 2369.98 2459.91 2678.08 2934.04 3238.70 3574.19 4053.53 Min 275.88 338.16 420.08 472.07 524.26 607.40 736.12 896.70 1137.47 1303.84 Max 12689.56 12201.66 12059.83 11704.68 11525.87 11839.37 12336.75 13411.82 14856.21 16951.35 Carbon emission Mean 434.19 460.79 500.35 541.52 578.06 545.35 579.56 604.44 636.37 652.09 Std dev 299.54 315.05 335.88 355.69 377.91 306.19 318.49 331.38 369.20 389.13 Min 51.32 57.19 63.92 68.42 69.53 72.75 77.63 84.76 97.40 103.28 Max 1245.51 1317.52 1444.30 1541.65 1718.77 1490.06 1559.13 1624.51 1814.82 1847.16 Added value of logistics industry Mean 571.22 611.73 675.51 730.45 808.85 879.35 927.51 1001.72 1052.85 1144.22 Std dev 422.39 440.87 494.65 550.43 605.13 660.69 652.18 698.87 728.09 804.58 Min 40.72 48.29 55.37 56.01 59.03 60.88 66.74 76.27 81.19 93.20 Max 1873.58 1791.99 1970.05 2228.63 2397.61 2622.93 2474.68 2659.78 2821.83 3185.55 Freight turnover volume Mean 2500.10 3701.67 4349.08 4951.01 5285.28 4873.82 5494.66 5218.03 5558.58 6322.44 Std dev 3234.36 3363.54 4070.71 4452.12 4477.61 3972.49 4739.53 4640.51 5267.77 6516.76 Min 335.66 364.16 419.68 486.38 527.62 451.95 506.94 445.58 475.80 519.46 Max 16029.84 14372.56 18918.15 20309.56 20373.37 14332.71 18633.36 19495.88 21801.65 27919.79