condition mean min max ZT0-3 2403.74315 2403.74315 2403.74315 ZT4-7 974.1751595000001 974.1751595000001 974.1751595000001 ZT8-11 669.865486 669.865486 669.865486 ZT12-15 538.6229125 538.6229125 538.6229125 ZT16-19 1289.512674 1289.512674 1289.512674 ZT20-23 1937.017722 1937.017722 1937.017722