Table 3: Dynamic weights for energy supply security in China's “Belt and Road” provinces from 2005 to 2015.

DimensionIndicatorsFirst weight
2005200620072008200920102011201220132014 2015

AvailabilityReserve and production ratio0.07600.07570.07100.06450.06270.07080.04080.05680.05550.07070.0691
Production diversity index0.12210.12260.11960.12160.11500.11730.11760.11570.11070.11030.1098
Energy self-sufficiency0.06420.06500.06270.05820.05240.05180.04860.04670.04640.04400.0430
AffordabilityEnergy price index0.12250.12370.12190.11770.11380.12110.11640.11680.11850.11640.1135
AcceptabilityConsumption diversity index0.15240.15330.16540.15910.14780.13780.14040.14920.14510.14510.1405
GDP energy intensity0.07980.07870.07690.07870.07450.07580.08790.08450.08110.07840.0770
GDP sulfur dioxide emissions0.06530.05910.06060.06630.07050.07530.06320.06070.06090.04910.0614
GDP waste water emissions0.07950.08200.07170.06900.07600.08080.12050.10940.11670.12240.1158
Forest coverage0.08310.08260.08150.08220.08800.09020.09110.08940.08720.08770.0842
Energy technology and efficiencyUtilization time of power generation equipment0.12740.12550.12990.13230.14060.12450.12720.13160.12740.12650.1300
Distribution loss0.02760.03190.03890.05040.05870.05460.04650.03910.05050.04940.0554
Second times weight0.0150.0300.0450.0610.0760.0910.1060.1210.1360.1520.167