Figure 6: Condom use (%) during last sexual encounter with a non-marital, non-cohabiting partner, among women and men aged 15-24 years. Solid lines: major efforts; dashed lines: minor efforts.         6a: Females, high prevalence countries.         6b: Males, high prevalence countries.         6c: Females, low prevalence countries.         6d: Males, low prevalence countries.