个人投资者入市的目的 投资者投资知识的来源个人投资者获取信息的主要渠道 受调查投资者的文化结构个人投资者年收入分布 受调查投资者的投资规模结构被调查投资者的平均家庭资产结构 个人投资者收益状况中国股市个人投资者调查 The purpose of individual investors to enter the market The source of investor investment knowledge The main channel for individual investors to obtain information Cultural structure of the surveyed investors The annual income distribution of individual investors The scale of investment in the surveyed investors Structure The average family asset structure of the surveyed investors Personal Investor Returns China Private Equity Investor Survey