Table 2 Descriptive statistics of the indicators.
Indicator | Units | Number | Minimum | Maximum | Mean | Std. deviation. |
|---|---|---|---|---|---|---|
\({x}_{1j}^{g}\) | 100 million CNY | 190 | 100.7599 | 7165.0984 | 1195.5623 | 1320.2298 |
\({x}_{2j}^{g}\) | 10,000 persons | 190 | 3.4419 | 50.2400 | 12.0166 | 8.4295 |
\({z}_{j}^{{gi}}\) | 100 million CNY | 190 | 5.1647 | 554.9817 | 71.2066 | 102.2994 |
\({z}_{j}^{{gs}}\) | 100 million CNY | 190 | 424.1331 | 8351.5363 | 1579.7109 | 1603.5313 |
\({x}_{1j}^{i}\) | 10,000 persons | 190 | 0.4930 | 84.4109 | 8.1363 | 13.6860 |
\({x}_{2j}^{i}\) | 10,000 households | 190 | 535 | 4052 | 1471.3300 | 853.9530 |
\({x}_{3j}^{i}\) | 10,000 households | 190 | 100 | 1372 | 346.2300 | 191.1870 |
\({z}_{j}^{{is}}\) | 100 million CNY | 190 | 55.9827 | 619.6743 | 162.4095 | 127.9770 |
\({x}_{1j}^{s}\) | 10,000 tons | 190 | 7733 | 252377 | 68643.1100 | 54138.0960 |
\({x}_{2j}^{s}\) | 10,000 kwh | 190 | 1057122 | 15685775 | 5116769.0700 | 3272583.3110 |
\({x}_{3j}^{s}\) | 10,000 tons | 190 | 4673 | 1923347 | 180311.6500 | 298448.8030 |
\({y}_{1j}^{s}\) | CNY | 190 | 49066 | 203489 | 105358.2900 | 33212.6870 |
\({u}_{1j}^{s}\) | % | 190 | 1.2000 | 4.1000 | 2.5886 | 0.7189 |
\({y}_{2j}^{s}\) | 10,000 persons | 190 | 72.3326 | 1651.6233 | 432.9510 | 351.6581 |
\({y}_{3j}^{s}\) | 10,000 persons | 190 | 25.7400 | 1682.5174 | 396.9232 | 353.9767 |
\({y}_{4j}^{s}\) | 10,000 persons | 190 | 49.3053 | 1294.7809 | 271.1881 | 267.1967 |
\({u}_{2j}^{s}\) | ug/m3 | 190 | 42 | 167 | 74.2510 | 25.6054 |
\({y}_{5j}^{s}\) | % | 190 | 32.8100 | 53.5900 | 41.4427 | 3.0539 |
