A lot has changed since the first cases of AIDS were reported in 1981.
自从1981年首次报道艾滋病病例以来，情形已经发生了很大变化。
Globally, AIDS-related deaths have dropped by more than 55% since 2004, the deadliest year on record.
自2004年以来，全球艾滋病相关死亡人数下降了55%以上，2004是有记录以来死亡人数最多的一年。
But, the road to effective treatment for HIV, the virus that causes AIDS, was long.
但是艾滋病治愈，有效治疗艾滋病的道路是漫长的。
Maggie Hoffman-Terry, a physician and researcher who's been on the front lines of the epidemic for decades, explains how treatment has evolved, its early drawbacks, and the issue of access to medications.
玛吉·霍夫曼-特里是一名医生和研究人员艾滋病治愈，几十年来一直在艾滋病的前线工作。以下录音讲介绍艾滋病治疗的相关情况。
This passed Sunday was the World's Aids Day.
上周日是世界艾滋病日。
So today I'll look at just how much has changed since the first report of the mysterious epidemic 1981.
所以今天我们一起来看看自从1981年首例艾滋病报道以来到底发生了多大的变化。
问题：
文中提到艾滋病死亡人数从哪一年开始下降？
留言回复正确答案，前十名朋友可以获得红包奖励哦，赶快来试试吧！
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