请将下面这段话翻译成英文：

　　国家体育总局(the General Administration of Sport)在一项调查中 发现，自2010年以来，20-39岁的中国人体重增加更多——1.9千克。 这个年龄段中超过11%的人属于肥胖，这在三年的时间里就上涨了两个百分点。。

　　参考翻译：

　　China’s young adults are gaining more weight and exercising less than their elders. Chinese from ages 20 to 39 have put on more kilograms — 1.9 kg ——than other adults since 2010，the General Administration of Sport found in a survey. More than 11% from the age group were obese, up two percentage points in only three years.