condition mean min max ZT0-3 0.01964035675 0.0 0.0392807135 ZT4-7 0.021775578499999997 0.0195170865 0.024034070499999997 ZT8-11 0.01185507375 0.011203987 0.0125061605 ZT12-15 0.01749382875 0.0078012344999999995 0.027186423 ZT16-19 0.0555261635 0.025150434 0.08590189300000001 ZT20-23 0.02263600475 0.014779673500000002 0.030492336