. . . . . "2%" . "4%" . "7%" . "8%" . "0%" . "11%" . "0" . "0.11" . "0.08" . "0.04" . "0.02" . "0.07" . "0" . "0.11" . "0.08" . "0.04" . "0.02" . "0.07" . "placebo" .