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Since the 19th CPC National Congress, over 70 senior officials have been investigated by the National Supervisory Commission, while from January to September, around 406,000 officials involved in 464,000 cases that were investigated have been punished, according to the commission.

Since the outbreak of COVID-19, Australian and Chinese researchers have been working closely to find a vaccine.

Singapore fell by one spot from last year to rank the third overall, but remains the most competitive economy in Asia.

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Since a free-trade agreement was signed between China and Chile in 2006, Chilean wine has enjoyed huge expansion in the Chinese market, becoming the number-three wine-exporting country to China after France and Australia. Chilean wines enjoyed a growth of 76 percent by volume and 73 percent in value exporting to China from 2014 to 2016, according to Wines of Chile.

Since Hong Kong missed out on technology giant Alibaba Group's billion IPO in 2014, the city's bourse has considered allowing dual-class shares and other measures to accommodate up-and-coming companies.

Since the founding of the People's Republic of China, the country has continued to improve the protection of the people's economic, political, social, cultural, and environmental rights, said the white paper.

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Since exploration started in 2015, the field has been estimated to contain 241.5 billion cubic meters of coal-bed gas and 304.1 billion cubic meters of shale gas, said Zhou Jipeng, deputy director of the provincial land and resources department.

Since September this year, fees for domestic roaming and long-distance calls have been waived as data services have become a major source of revenue for mobile service operators.

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Since the center began artificial feeding in the winter of 2005, an increasing monkey population has been attracted to the area. Each year since,all newborn monkeys have survived, Huang said.

Since a fossil protection regulation went into effect in 2011, more than 5,000 fossils taken overseas have been returned to China.