15 years. According to the headline of today's query, the major reform of "Jieqing" is: selecting the best and rolling support, increasing from 4 million yuan in five years to 3 million yuan in 15 years. official website, the National Natural Science Foundation of China, released a message saying that from 224, outstanding projects will be selected and rolling support will be provided. Through the high-intensity support of nearly 3 million yuan in fifteen years, we will concentrate superior resources to cultivate high-level leading talents.