condition mean min max ZT0-3 622.6845 622.6845 622.6845 ZT4-7 495.7455 495.7455 495.7455 ZT8-11 420.071 420.071 420.071 ZT12-15 380.8875 380.8875 380.8875 ZT16-19 592.384 592.384 592.384 ZT20-23 662.7395 662.7395 662.7395