condition mean min max ZT0-3 14709.15513 14709.15513 14709.15513 ZT4-7 15632.230894999999 15632.230894999999 15632.230894999999 ZT8-11 12637.732299 12637.732299 12637.732299 ZT12-15 10000.589185 10000.589185 10000.589185 ZT16-19 10154.9361415 10154.9361415 10154.9361415 ZT20-23 12072.34761 12072.34761 12072.34761