Defines/NNAINDefineNAI|AI_UPGRADE_CITY_LOW_MONTHLY_SAILORS_THRESHOLDNAI|AI_UPGRADE_CITY_LOW_MONTHLY_SAILORS_THRESHOLDloading_screen/common/defines/00_defines.txt:597less than 1% of total sailors gained per monthDéfinitionloading_screen/common/defines/00_defines.txt:5970.01