condition mean min max ZT0-3 92.09555 92.09555 92.09555 ZT4-7 44.41785 44.41785 44.41785 ZT8-11 41.2638 41.2638 41.2638 ZT12-15 99.70455000000001 99.70455000000001 99.70455000000001 ZT16-19 153.798 153.798 153.798 ZT20-23 135.572 135.572 135.572