condition mean min max ZT0-3 90.2305 90.2305 90.2305 ZT4-7 65.0226 65.0226 65.0226 ZT8-11 47.036249999999995 47.036249999999995 47.036249999999995 ZT12-15 61.3001 61.3001 61.3001 ZT16-19 69.53866666666667 69.53866666666667 69.53866666666667 ZT20-23 113.85900000000001 113.85900000000001 113.85900000000001