year | High-high | Low-high | Low-low | High-low |
2008 | Guangzhou, Shenzhen, Foshan, Dongguan, Zhuhai, Zhongshan | Huizhou, Jiangmen, Qingyuan, Zhaoqing, Shaoguan | Chaozhou, Heyuan, Jieyang, Maoming, Meizhou, Shantou, Shanwei, Yangjiang, Yunfu, Zhanjiang | None |
2017 | Guangzhou, Shenzhen, Foshan, Dongguan, Zhuhai, Zhongshan, Huizhou | Jiangmen, Qingyuan, Shaoguan | Chaozhou, Heyuan, Jieyang, Maoming, Meizhou, Shantou, Shanwei, Yangjiang, Yunfu, Zhanjiang, Zhaoqing | None |