Do you know China's GDP and GDP per head in recent years?dose the average living standard in China increase or decrease ,Why?

Do you know China's GDP and GDP per head in recent years?
dose the average living standard in China increase or decrease ,Why?

As far as i am concered,i think people's living standard becomes decreased.because RMB has depreciated a lot.people's purchasing power has woken

decrease ，购买力下降

在中国，平均居住水平是提高了还是降低了？为什么？