type | variable | unit | data source |

Explained variable | GDP | 0.1 Billion Yuan | China Statistical Yearbook |

Explanatory variables | the total social investment (K) | 10 Thousand Yuan | China Statistical Yearbook |

number of employments (L) | 10 Thousand Yuan | China Statistical Yearbook | |

internal R&D funds (A) | 10 Thousand Yuan | Provincial statistical yearbook | |

Internet penetration rate (I) | % | China Internet Development Statistics Report | |

the third industry accounted for the proportion of GDP (S) | % | China Statistical Yearbook |