condition mean min max ZT0-3 0.029766016999999995 0.0 0.05953203399999999 ZT4-7 0.0 0.0 0.0 ZT8-11 0.1242767405 0.0 0.248553481 ZT12-15 0.05025553433333333 0.040724572333333334 0.05978649633333333 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0