condition mean min max ZT0-3 10893.9 10893.9 10893.9 ZT4-7 14747.4 14747.4 14747.4 ZT8-11 14860.35 14860.35 14860.35 ZT12-15 14344.6 14344.6 14344.6 ZT16-19 13345.150000000001 13345.150000000001 13345.150000000001 ZT20-23 11302.2 11302.2 11302.2