condition mean min max ZT0-3 0.105369975 0.0894182 0.12132174999999999 ZT4-7 0.12254570000000001 0.12254570000000001 0.12254570000000001 ZT8-11 0.0299632 0.0299632 0.0299632 ZT12-15 0 0 0 ZT16-19 0.0298621 0.0298621 0.0298621 ZT20-23 0.060081449999999995 0.060081449999999995 0.060081449999999995