Investigate China's fixed-income securities market, select one of the varieties you are interested in (such as asset securitization market, treasury bond market, corporate bond market, local government bond market, treasury bond futures market, interest rate swap market, etc.), and summarize the quality of market development.

Requirements: Use at least 10 years (if any) of newer data for analysis, for example: Treasury bond market from 2011 to 2021. Descriptive statistics with at least 10 data charts, supplemented by text analysis.

Tip: Scale indicators such as bond issuance, trading volume, etc. can be used to illustrate the development speed of the bond market; structural indicators such as liquidity, default, systemic risk, transaction fairness and other indicators can be used to illustrate the development quality of the bond market.