The given chart indicates how the annual figure for time taken to manufacture a vehicle by four US-based car producer changes throughout a period from 1998 to 2002
At a quick glance, the time comsumption of Nissan, General Motors saw an sustaintial decline, whereas the figure for Ford experienced a upward trajectory, surpassed the time taken to General Motors and Nissan at the later. Moreover, the time taken to Daniel Chrysier underwent a considerable fuctuation ,which led in final years.
In 1998, the time consumption of Nissan was the highest, shared at 37 hours per vechicle, followed by figure for Daniel Chrysier reported at 34 hours. Compared with the time taken to Ford, which just around 25 hours at begin. In subsequent three years, the time figure for Nissan dropped deeply at 22 hours. Similarly as data of General Motors , which plummeted from 32 to 26 hours per vechicle. However, the time consumption of Ford rose sharply to 28 hours, eventually crossover the figure of both Ford and General Motors.
In the final period, the time figure for Daniel Chrysier achieved the peak at 29 hours, became the most popular sector based in the US. Following by the time taken to Ford fell slightly to 27 hours, which ranked second. However, the time consumption of Nissan still remained a gradual drop during years, which hiting the bottom of the research shared at only 21 hours