condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.020112138 0.0 0.040224276 ZT8-11 0.0 0.0 0.0 ZT12-15 0.07837990225 0.0455158125 0.11124399199999999 ZT16-19 0.09248348375 0.081118705 0.1038482625 ZT20-23 0.05287392025 0.023714224 0.0820336165