The provided graph illustrates how many time is spent in order to produce a vehicle by four US-based car manufacturers ( Nissan , Daimler Chrysler , General Motors and Ford ) over a 4-year period , spanning from 1998 to 2002 .
Overall , it can be clearly seen that the majority of rates experienced a decline , whereas Ford is the only one surpassing a slight growth .
Notably , Ford demonstrated increase , starting at approximately 25 hours per vehicle in 1998 , with a peak of about 27 hours . However, the figure finished the rate at just above 26 vehicles per hour by the end of the observed period .
As for declining group , Nissan demonstrated the sharpest decrease , with a rate falling down from around 37 vehicles per hour to approximately 21. Second comes General Motors , which exhibited a consistent downward trend , commencing with 32 vehicles per hour and declining to a low of 25 bt the conclusion of the period . Last but not least , Dainmler Chrysler decreased as well , dropping from the rateof 34 to around 29 .
