condition mean min max ZT0-3 0.05089163025000001 0.0 0.10178326050000001 ZT4-7 0.031138258999999998 0.0 0.062276517999999996 ZT8-11 0.019785477 0.0 0.039570954 ZT12-15 0.18995150925 0.1373305105 0.24257250800000002 ZT16-19 0.14303341425000002 0.0 0.28606682850000004 ZT20-23 0.14890348150000002 0.13978491650000002 0.1580220465