condition mean min max ZT0-3 0.01871909075 0.0 0.0374381815 ZT4-7 0.097280273 0.082081552 0.112478994 ZT8-11 0.0887744345 0.0 0.177548869 ZT12-15 0.0212126165 0.0 0.042425233 ZT16-19 0.034193722999999995 0.0 0.06838744599999999 ZT20-23 0.09131839449999998 0.080375878 0.10226091099999998