condition mean min max ZT0-3 0.01969151125 0.0 0.0393830225 ZT4-7 0.0 0.0 0.0 ZT8-11 0.053888879 0.043682222 0.064095536 ZT12-15 0.718491648 0.670212343 0.766770953 ZT16-19 0.26935282499999996 0.2158201215 0.32288552849999996 ZT20-23 0.15842174674999998 0.107573166 0.2092703275