Research Article
Grey Relational Entropy Calculation and Fractional Prediction of Water and Economy in the Beijing-Tianjin-Hebei Region
| | | 2015 | 2016 | 2017 | 2018 | 2019 |
| | Added value of primary industry (100 million yuan) | 3439.45 | 3492.81 | 3129.98 | 3338 | 3518.44 | | Industrial added value (100 million yuan) | 12626.17 | 13387.46 | 13757.84 | 13698 | 11503.03 | | Added value of construction industry (100 million yuan) | 1780.49 | 1885.27 | 2109.03 | 2362.7 | 2129.89 | | Added value of tertiary industry (100 million yuan) | 11979.79 | 13320.71 | 15040.13 | 16632.21 | 17988.82 | | Permanent residents (10,000 people) | 7424.92 | 7470.05 | 7519.52 | 7556.3 | 7591.97 | | Total water supply (100 million cubic meters) | 187.2 | 182.6 | 181.6 | 182.4 | 182.29 | | Water consumption per capita (cubic meters/person) | 252.8 | 245.2 | 242.3 | 242 | 240.7 | | Agricultural water consumption (100 million cubic meters) | 135.3 | 128 | 126.1 | 121.1 | 114.3 | | Industrial water consumption (100 million cubic meters) | 22.5 | 21.9 | 20.3 | 19.1 | 18.8 | | Domestic water consumption (100 million cubic meters) | 24.4 | 25.9 | 27 | 27.8 | 27 | | Ecological water consumption (100 million cubic meters) | 5 | 6.7 | 8.2 | 14.5 | 22.1 | | Water resources per capita (cubic meters/person) | 182.5 | 279.7 | 184.5 | 217.7 | 149.9 |
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