condition mean min max ZT0-3 10503.70348 10503.70348 10503.70348 ZT4-7 9819.9213905 9819.9213905 9819.9213905 ZT8-11 9818.6016825 9818.6016825 9818.6016825 ZT12-15 10466.290265 10466.290265 10466.290265 ZT16-19 10653.336695 10653.336695 10653.336695 ZT20-23 9085.9237655 9085.9237655 9085.9237655