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