There was a 31 percent increase in any kind of hearing loss in the second group versus the earlier one. 与第一次被调查人群相比,第二次被调查人群的各类听力损伤上升了31%。
Although they are very visible and have enjoyed extensive coverage in the popular press, in fact this group comprises no more than two percent of the entire population of people with hearing loss. 虽然他们引人注目,并在大众媒体上广泛报导,但是事实上这个群体不过只占有听障人士总数的2%。