报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2009-09-30,2008-12-31,2007-12-31, 流动比率(%),1.51,1.44,1.23,1.14,1.18,1.17,1.21,1.19,1.26,1.27,1.32,1.33,1.31,1.39,1.49,1.57,1.63,1.6,1.55,1.23,1.22,1.21,1.17,1.18,1.18,1.16,1.16,1.16,1.16,1.16,1.17,1.17,1.21,1.2,1.27,1.35,1.41,1.44,1.49,1.59,1.67,0.89,0.9,0.83,--,0.72,--,0.82,0.82, 速动比率(%),0.65,0.68,0.58,0.5,0.53,0.51,0.53,0.56,0.62,0.58,0.57,0.65,0.66,0.69,0.77,0.8,0.79,0.86,0.84,0.63,0.64,0.64,0.63,0.63,0.6,0.61,0.6,0.6,0.58,0.57,0.61,0.63,0.62,0.63,0.68,0.74,0.72,0.77,0.89,0.92,1.14,0.44,0.49,0.42,--,0.33,--,0.48,0.45, 现金比率(%),29.01,34.07,18.39,12.49,14.82,18.18,16.69,19.67,21.45,19.81,19.3,25.58,23.64,23.8,25.9,28.81,29.84,35.51,37.79,18.95,17.49,16.86,21.88,19.89,18.73,20.02,21.33,19.12,18.68,18.03,19.12,24.21,21.41,26.62,29.17,33.5,34.21,42.78,49.94,58.59,79.47,24.26,23.83,21.74,--,14.16,--,24.31,21.72, 利息支付倍数(%),845.9,1109.64,1193.2,818.42,433.03,1114.26,622.44,459.78,470.06,535.46,613.51,421.77,384.58,390.26,498.01,595.8,742.76,315.73,343.32,390.53,352.29,253.98,265.31,278.34,248.77,194.92,254.29,290.82,263.78,289.57,341.67,421.89,337.82,375.38,436.31,595.42,439.27,726,592.44,577.7,367.52,516.93,417.39,399,--,357,292.56,283.81,512.31, 资产负债率(%),63.29,63.12,62.6,62.63,60.65,61.28,60.88,61.88,59.76,57.55,56.78,57.86,55.21,52.74,51.83,49.94,47.9,50,52.77,64.49,64.2,64.4,66.79,66.24,65.91,68.04,68.31,67.71,66.23,66.11,65.69,64.93,60.86,60.01,58.3,54.93,52.48,52.67,55.92,53.89,51.37,82.21,84.32,84.07,--,84.75,--,83.87,79.74, 长期债务与营运资金比率(%),0.2,0.15,0.26,0.08,0.12,0.09,0.12,0.14,0.17,0.18,0.17,0.16,0.03,0.03,0.02,0.02,0.02,0.02,0.02,0.05,--,--,0,0.06,0.12,0.13,0.12,0.13,0.07,0.07,0.05,0.04,0.06,0.06,0.1,0.14,0.15,0.14,0.16,0.15,0.15,-0.91,-1.37,-0.55,--,-0.14,--,0,-0.31, 股东权益比率(%),36.71,36.88,37.4,37.37,39.35,38.72,39.12,38.12,40.24,42.45,43.22,42.14,44.79,47.26,48.17,50.06,52.1,50,47.23,35.51,35.8,35.6,33.21,33.76,34.09,31.96,31.69,32.29,33.77,33.89,34.31,35.07,39.14,39.99,41.7,45.07,47.52,47.33,44.08,46.11,48.63,17.79,15.68,15.93,--,15.25,--,16.13,20.26, 长期负债比率(%),4.58,3.06,3.19,0.59,1.15,0.86,1.35,1.43,2.37,2.51,2.77,2.82,0.48,0.52,0.53,0.56,0.63,0.61,0.62,0.68,--,--,0,0.65,1.38,1.31,1.3,1.39,0.74,0.76,0.56,0.48,0.74,0.77,1.42,2.54,2.94,2.97,4,4.35,4.74,7.15,9.88,7.24,--,3.06,--,0,4.16, 股东权益与固定资产比率(%),--,160.11,--,161.38,--,168.34,--,197.46,--,200.89,--,272.23,--,269.56,--,335.38,--,312.97,--,211.41,--,205.98,--,201.65,--,188.66,--,191.23,--,183.5,--,207.24,--,196.22,--,214.92,--,211.17,--,253.6,--,67.28,--,55.41,--,51.08,--,--,--, 负债与所有者权益比率(%),172.44,171.12,167.36,167.57,154.11,158.25,155.62,162.34,148.49,135.58,131.39,137.29,123.25,111.58,107.6,99.74,91.94,100,111.75,181.58,179.33,180.91,201.14,196.25,193.37,212.86,215.53,209.71,196.1,195.06,191.44,185.11,155.51,150.09,139.82,121.9,110.43,111.26,126.84,116.89,105.62,462.17,537.59,527.84,--,555.83,--,519.95,393.57, 长期资产与长期资金比率(%),78.17,83.01,80.82,92.52,89.7,89.92,87.36,88.21,77.4,76.49,69.92,64.95,65.46,59.16,51.71,47.58,46.52,44.15,41.78,60.97,--,--,67.66,67.53,68.9,70.87,69.37,70.52,72.6,71.9,71.19,71.94,71.42,73.24,67.85,65.2,63.54,60.66,50.94,45.43,42.78,133.72,130.48,159.86,--,225.62,--,193.98,154.77, 资本化比率(%),11.09,7.67,7.86,1.56,2.83,2.16,3.34,3.61,5.56,5.58,6.02,6.27,1.07,1.08,1.09,1.11,1.2,1.21,1.29,1.89,--,--,0,1.89,3.89,3.94,3.95,4.13,2.15,2.18,1.6,1.36,1.85,1.88,3.29,5.34,5.82,5.9,8.33,8.62,8.89,28.67,38.64,31.25,--,16.72,--,0,17.04, 固定资产净值率(%),--,74.91,--,73.56,--,74.56,--,71.38,--,72.83,--,66.49,--,68.02,--,64.67,--,67.61,--,69.9,--,72.25,--,71.44,--,73.9,--,75.83,--,78.61,--,78.66,--,81.63,--,82.47,--,85.23,--,84.49,--,85.77,--,87.69,--,89.59,--,--,--, 资本固定化比率(%),87.92,89.91,87.72,93.99,92.31,91.91,90.38,91.52,81.95,81.01,74.4,69.29,66.16,59.81,52.28,48.12,47.08,44.69,42.32,62.14,63.05,63.91,67.66,68.83,71.69,73.77,72.22,73.55,74.19,73.5,72.35,72.94,72.76,74.64,70.16,68.88,67.47,64.46,55.57,49.72,46.95,187.46,212.64,232.51,--,270.9,--,193.98,186.56, 产权比率(%),135.04,134.22,154.71,154.18,140.51,144.19,140.47,147.63,137.66,127.75,125.28,132.91,120.73,109.91,105.55,98.01,90.3,98.29,110.53,179.79,177.5,178.95,199.29,194.38,191.42,210.76,213.47,207.61,193.95,192.75,189.17,182.81,153.16,147.56,137.24,119.28,107.73,108.44,123.96,114.73,104.9,459.18,534.03,523.9,--,551.09,--,519.95,393.57, 清算价值比率(%),192.04,192.1,164.1,163.94,170.37,168.34,170.61,166.42,169.91,172.75,172.54,168.27,176.7,184.2,188.75,195.06,202.91,196.81,185.97,151.52,--,--,146.26,147.36,147.95,143.53,142.92,144.05,147.07,147.34,148.8,150.4,160,162.24,166.78,176.67,184.97,184.57,175,181.19,190.43,117.14,113.94,113.64,--,111.84,--,112.49,115.06, 固定资产比重(%),--,23.04,--,23.16,--,23,--,19.3,--,21.13,--,15.48,--,17.53,--,14.93,--,15.98,--,16.8,--,17.28,--,16.74,--,16.94,--,16.88,--,18.47,--,16.92,--,20.38,--,20.97,--,22.42,--,18.18,--,26.44,0,28.74,--,29.85,--,0,0,