| Year | HH quadrant | LH quadrant | LL quadrant | HL quadrant |
| 2003 | Xinjiang | Sichuan | Jiangsu and Shanghai | Anhui and Hainan | 2008 | Xinjiang and Gansu | Sichuan | Shandong, Jiangsu, and Shanghai | Anhui and Fujian | 2010 | Xinjiang, Gansu, and Sichuan | | Jiangsu and Shanghai | Anhui, Jiangxi, Fujian, and Hainan | 2014 | Xinjiang | Sichuan | Shandong, Anhui, Jiangsu, and Shanghai | | 2017 | Xinjiang, Gansu, and Inner Mongolia | Sichuan | Shandong, Anhui, Jiangsu, and Shanghai | Jiangxi, Fujian, and Hainan | 2019 | Xinjiang | Sichuan and Inner Mongolia | Shandong, Anhui, Jiangsu, Shanghai, and Fujian | Jiangxi and Hainan |
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