_id year   sex   age_group   education_level   ever_online   Num_Books   Num_Clothing   Num_Computer   Num_Games   Num_Software   Num_Cosmetics   Num_Financial   Num_Food   Num_Household   Num_ICT   Num_Medicine   Num_Movies   Num_Product   Num_Photographic   Num_Book_a_ticket   Num_Tourism   Num_Electric   Num_Others   unit   source   colspacer
year sex age_group education_level ever_online Num_Books Num_Clothing Num_Computer Num_Games Num_Software Num_Cosmetics Num_Financial Num_Food Num_Household Num_ICT Num_Medicine Num_Movies Num_Product Num_Photographic Num_Book_a_ticket Num_Tourism Num_Electric Num_Others unit source