condition mean min max ZT0-3 97.713125 90.40575000000001 105.0205 ZT4-7 75.86215 75.86215 75.86215 ZT8-11 56.2859 56.2859 56.2859 ZT12-15 0 0 0 ZT16-19 68.3381 68.3381 68.3381 ZT20-23 73.90055000000001 73.90055000000001 73.90055000000001