In which year and in which document did China's official documents first mention the digital economy?

G20 Digital Economy Development and Cooperation Initiative issued by G20 Hangzhou Summit on 2016.

From 2065438 to September 2006, the General Secretary emphasized the digital economy at the G20 Hangzhou Summit. After that, China began to use digital economy in official documents and major occasions.

Digital economy refers to an economic system, in which digital technology is widely used, thus bringing about fundamental changes in the entire economic environment and economic activities. Digital economy is also a brand-new social, political and economic system, in which information and business activities are digitized. The concept of digital economy first appeared in Don Tapscott's book Digital Economy: Hope and Risk in the Age of Intelligent Interconnection, numbered 1996. 1998, the U.S. Department of Commerce released the report "Emerging Digital Economy", and the formulation of digital economy was formally formed.