Table 5 Simulation accuracy tests for system indicators, 2011–2021 (relative error in %).
Year | Total water use | Water resources per capita | GDP per capita | Water consumption of CNY 10.000 GDP | Good and excellent air compliance rate | Wastewater discharge |
|---|---|---|---|---|---|---|
2011 | -0.01 | -0.13 | 0.00 | -0.01 | -0.35 | -0.05 |
2012 | 3.32 | -0.17 | -0.17 | 3.32 | 2.37 | 1.06 |
2013 | 1.24 | -0.56 | -0.32 | 1.25 | 2.74 | -0.96 |
2014 | -0.23 | -0.28 | -0.31 | -0.20 | 0.39 | 3.99 |
2015 | -4.52 | -0.33 | -0.34 | -4.50 | -2.01 | 0.78 |
2016 | -5.63 | -0.22 | -0.24 | -5.61 | -4.50 | -1.84 |
2017 | -2.45 | -0.11 | -0.19 | -2.37 | 8.16 | -1.01 |
2018 | -2.49 | -0.11 | -0.19 | -2.41 | 15.35 | -1.35 |
2019 | 0.31 | -0.04 | -0.13 | 0.40 | 9.12 | -2.21 |
2020 | -0.30 | -0.04 | -0.09 | -0.21 | 5.41 | 1.88 |
2021 | 2.74 | 0.28 | -0.32 | 0.87 | 3.66 | -1.32 |
