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ouwei data is a product of the big data research institute of the western development research center of northwestern university. specializes in the research of big data in china, providing multi-index data on past years, enterprise data, medical, educational data and other multi-index data on countries around the world, provinces, cities, prefecture-level cities, districts, counties and cities.use late | readings on this pageuse late | the site visitspeople | the total visitors to this siteuse late | today's total visitpeople | today's total visitorsuse late | yesterday's total visitpeople |
yesterday's total visitorshome page