condition mean min max ZT0-3 0.04871958525 0.0293985955 0.068040575 ZT4-7 0.03464043025 0.029345106500000002 0.039935754 ZT8-11 0.1659264375 0.057095619 0.274757256 ZT12-15 0.62732530875 0.559232415 0.6954182025000001 ZT16-19 0.38089257075 0.34343817 0.4183469715 ZT20-23 0.31355195575 0.258041735 0.3690621765