condition mean min max ZT0-3 1160.85 1160.85 1160.85 ZT4-7 921.6700000000001 921.6700000000001 921.6700000000001 ZT8-11 864.337 864.337 864.337 ZT12-15 1076.08 1076.08 1076.08 ZT16-19 956.329 956.329 956.329 ZT20-23 1161.01 1161.01 1161.01