In 2011-2012, the Iranian Traffic Police withdrew the driving licenses of 829 drivers, including 43 women, who had failed to pass alcohol and drug tests. Alcohol tests taken from drivers in Tehran in the period of 20 April-20 May 2012 showed that 26% of them were drunk.[6] Because the country has no discothèques or nightclubs, it all takes place at home, behind closed doors.