condition mean min max ZT0-3 1.8180925000000001 1.752475 1.88371 ZT4-7 1.0077055000000001 1.0077055000000001 1.0077055000000001 ZT8-11 1.0504995 1.0504995 1.0504995 ZT12-15 0 0 0 ZT16-19 3.101865 3.101865 3.101865 ZT20-23 1.847825 1.847825 1.847825