Even by these lenient standards, the proportion of kids who are overweight jumped from 5 percent in 1964 to nearly 13 percent in 1994, the most recent year on record.

• 即使用这些相当宽松的标准来衡量，超重儿童所占的比例，也从1964年的5%25猛增到1994年(有记录可查的最近年份)的近 13%25。