“The number of inspections and studies concerning oversight has grown over the years, from 12 in 2015 to 20 in 2017, a rise of 11 to 28 percent respectively as a proportion of all topics," said Yu Zhengsheng, chairman of the Chinese People’s Political Consultative Conference (CPPCC) National Committee, while delivering a report on the work of the CPPCC National Committee's Standing Committee in Beijing on Saturday.