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| The People抯 Bank of China conduct a quarterly sampling survey to urban saving account |
| holders nationwide in the form of standardized questionnaire and interview in February, May, |
| August, November each year. The sample size for each survey is 20,000. |
| 4 diffusion indices are derived from the replies of interviewees in questionnaire survey, |
| which reflect the attitudes of people towards current income and price conditions, and |
| the expectations to future income and price trends. |
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