condition mean min max ZT0-3 2777.55 2777.55 2777.55 ZT4-7 2760.65 2760.65 2760.65 ZT8-11 2584.16 2584.16 2584.16 ZT12-15 2198.41 2198.41 2198.41 ZT16-19 1905.0049999999999 1905.0049999999999 1905.0049999999999 ZT20-23 2496.78 2496.78 2496.78