There were an estimated 140,000 cases of human immunodeficiency virus/acquired immune deficiency syndrome (HIV/AIDS) reported in 2003, and an estimated 1.9 percent of the adult population was afflicted with HIV/AIDS that year, among the lowest rates in Sub-Saharan Africa (see also HIV/AIDS in Africa). In the same year, there were 12,000 AIDS deaths. The infant mortality rate is 69.5 deaths/1,000 live births (75.3/1,000 among males and 63.5/1,000 among females) (2017 est.). Life expectancy at birth is 60.3 years (58.2 years among males and 62.5 years among females) (2017 est.).. How many more years is the life expectancy at birth among females compared to males?