The mortality of AIDS patients in China has dropped 64% since 2002, when free retroviral drugs began being distributed in the country. From the New York Times:
About 63 percent of all those needing AIDS drugs are getting them, up from virtually zero in 2002. That has caused a 64 percent drop in mortality in “person-years,” as China measures it, an estimate of how long someone would have lived without the disease.
AIDS mortality dropped to 14.2 per 100 person-years in 2009, from
May 18, 2011