Table 3 Ranges of HQD level classification
Year | Low level area | Medium-low level area | Medium-high level area | High level area |
|---|---|---|---|---|
2013 | 0.082–0.140 | 0.140–0.205 | 0.205–0.318 | 0.318–0.547 |
2014 | 0.066–0.123 | 0.123–0.205 | 0.205–0.366 | 0.366–0.584 |
2015 | 0.071–0.152 | 0.152–0.236 | 0.236–0.391 | 0.391–0.528 |
2016 | 0.114–0.179 | 0.179–0.256 | 0.256–0.353 | 0.353–0.588 |
2017 | 0.113–0.132 | 0.132–0.244 | 0.244–0.360 | 0.360–0.622 |
2018 | 0.133–0.169 | 0.169–0.205 | 0.205–0.301 | 0.301–0.558 |
2019 | 0.105–0.152 | 0.152–0.197 | 0.197–0.288 | 0.288–0.546 |