Table 6 Evolution of CERC improvement potential from 2013 to 2022 unit:%.
DMUs | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 |
|---|---|---|---|---|---|---|---|---|---|---|
Beijing | 44.4 | 46.8 | 41.1 | 71.0 | 52.3 | 40.2 | 23.8 | 10.6 | 60.2 | 44.9 |
Fujian | 23.9 | 29.9 | 12.6 | 16.1 | 20.1 | 16.3 | 9.1 | 14.8 | 24.9 | 23.7 |
Guangdong | 38.5 | 33.9 | 12.1 | 37.2 | 27.6 | 32.2 | 27.6 | 26.4 | 39.8 | 23.7 |
Hainan | 40.1 | 42.0 | 36.7 | 41.5 | 42.5 | 44.3 | 39.3 | 41.2 | 42.4 | 41.9 |
Hebei | 10.3 | 4.5 | 9.1 | 0 | 0 | 0 | 0 | 3.6 | 16.1 | 4.8 |
Jiangsu | 31.5 | 30.8 | 30.3 | 29.9 | 27.8 | 25.0 | 23.5 | 21.8 | 19.1 | 13.7 |
Liaoning | 19.2 | 7.6 | 18.4 | 18.3 | 24.5 | 12.3 | 16.1 | 36.5 | 26.6 | 22.0 |
Shandong | 39.2 | 14.5 | 17.3 | 30.4 | 28.6 | 28.3 | 25.0 | 25.8 | 25.0 | 21.5 |
Shanghai | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.8 | 6.5 |
Tianjin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Zhejiang | 53.6 | 40.3 | 36.3 | 38.8 | 38.3 | 35.8 | 33.9 | 28.9 | 38.8 | 34.5 |
Eastern region | 27.3 | 22.8 | 19.4 | 25.7 | 23.8 | 21.3 | 18.0 | 19.1 | 27.4 | 21.6 |
Anhui | 0 | 0 | 0 | 0 | 0 | 16.2 | 21.4 | 13.7 | 28.0 | 28.8 |
Guangxi | 91.5 | 64.1 | 77.8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Heilongjiang | 36.9 | 34.8 | 37.6 | 36.7 | 39.7 | 32.0 | 39.6 | 39.1 | 33.5 | 33.5 |
Henan | 42.6 | 47.1 | 34.4 | 40.4 | 32.5 | 31.5 | 27.4 | 27.2 | 24.1 | 20.4 |
Hubei | 11.3 | 8.0 | 20.4 | 15.8 | 5.8 | 16.7 | 0.0 | 19.2 | 17.4 | 19.2 |
Hunan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Inner Mongolia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0 |
Jiangxi | 68.9 | 8.1 | 54.7 | 5.8 | 8.3 | 3.6 | 2.8 | 3.0 | 0 | 0 |
Jilin | 35.5 | 26.3 | 21.8 | 27.1 | 30.1 | 28.7 | 33.6 | 29.0 | 7.2 | 9.8 |
Shanxi | 0 | 0 | 2.5 | 10.4 | 10.5 | 0 | 0 | 0 | 0 | 0 |
Central region | 28.7 | 18.8 | 24.9 | 13.6 | 12.7 | 12.9 | 12.5 | 13.1 | 11.0 | 11.2 |
Chongqing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Gansu | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Guizhou | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14.7 |
Ningxia | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Qinghai | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Shaanxi | 50.3 | 22.4 | 17.2 | 11.8 | 20.2 | 14.1 | 14.7 | 12.4 | 0 | 0 |
Sichuan | 97.8 | 90.3 | 81.9 | 75.3 | 57.9 | 76.5 | 71.2 | 66.3 | 49.8 | 53.9 |
Xinjiang | 25.2 | 3.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.5 |
Yunnan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.9 | 13.0 | 16.9 |
Western region | 19.3 | 12.9 | 11.0 | 9.7 | 8.7 | 10.1 | 9.5 | 9.0 | 7.0 | 10.6 |
Average | 25.4 | 18.5 | 18.7 | 16.9 | 15.6 | 15.1 | 13.6 | 14.0 | 15.8 | 14.8 |