condition mean min max ZT0-3 93710.5289 93710.5289 93710.5289 ZT4-7 51366.97611 51366.97611 51366.97611 ZT8-11 53996.54278 53996.54278 53996.54278 ZT12-15 125940.76891000001 125940.76891000001 125940.76891000001 ZT16-19 159484.83221 159484.83221 159484.83221 ZT20-23 129203.70335666668 129203.70335666668 129203.70335666668