The graph demonstrates the number of employees working in the motor-vehicle industries in four US States between 1990 and 2010.
Overall, two opposing trends can be seen, including a fall in Michigan and Ohio accompanied by an increase in Indiana and Alabama. Despite its negative variation, Michigan always received the highest employment in this sector compared with the others.
Michigan and Ohio both experienced a noticeable drop. In 1990, Michigan began with almost 102,000 people, much higher than 40,000 people in Ohio that year. There was a slight fluctuation with that head state until 2,000, reaching a peak at 100,000 workers, then it declined sharply to around 38,0000 workers between 2000s and 2010. Ohio also fluctuated; However, it declined more gradually and reached 18,000 people in 2010, much slower than the decrease rate in Michigan.
In contrast to two states mentioned above, Alabama and Indiana showed positive changes. Both started with relatively low figure in 1990, Indiana began at 5,000 employees, which was much higher than 200 people in Alabama. They grew slightly by 2000. Especially, that 2 states achieved equal number of workers from 2005s to 2008 with around 12,000 people. Nonetheless, at the end of the period there was a small difference: Indiana received a higher number than Alabama, one was 15,000 while the other reached almost 10,000 workers.