[easychart type=”pie” title=”How many times do you smoke per week?” groupnames=”1 to 3 sessions(249),4 to 6 sessions(184),7 to 9 sessions(189),10 or more sessions(572)” group1values=”23″ group2values=”18″ group3values=”12″ group4values=”48″ ¬†chartfadecolor=”FFFFFF”]