condition mean min max ZT0-3 10856.26642 10856.26642 10856.26642 ZT4-7 11010.69953 11010.69953 11010.69953 ZT8-11 12053.585 12053.585 12053.585 ZT12-15 11530.733575 11530.733575 11530.733575 ZT16-19 12404.41891 12404.41891 12404.41891 ZT20-23 10329.064733 10329.064733 10329.064733