condition mean min max ZT0-3 131.042 131.042 131.042 ZT4-7 75.6011 75.6011 75.6011 ZT8-11 109.45015000000001 109.45015000000001 109.45015000000001 ZT12-15 290.3105 290.3105 290.3105 ZT16-19 148.623 148.623 148.623 ZT20-23 199.243 199.243 199.243