condition mean min max ZT0-3 16.66709 11.7442 21.58998 ZT4-7 170.79595 170.79595 170.79595 ZT8-11 361.14200000000005 361.14200000000005 361.14200000000005 ZT12-15 0 0 0 ZT16-19 31.2911 31.2911 31.2911 ZT20-23 45.9987 45.9987 45.9987