Numbers on October 5-11 400 billion yuan The value of China's social security fund reached 400 billion yuan by the end of June this year, according to China's National Council for Social Security Fund. The security fund reported a profit rate of 15.2 percent in the first half of 2007, still insufficient when compared to the country's population of 1.3 trillion. 66.58 billion yuan China Shenhua Energy, the country's largest coal producer, raised 66.58 billion yuan from its Shanghai A-share market initial public offering, the largest domestic offering ever.