Given are the charts illustrating how much oil was consumed every year and how many people were employed and unemployed in a certain country between 1950 and 2010.
Overall, it is apparent that oil consumption and the percentage of employment experienced an upward trend, while the unemployment rate saw the opposite trend.
Moving to a more detailed analysis, annual oil usage was accounted for 20 million of barrels at the beginning, and after a minor increase, figures returned to its initial point in 1970. Over the next 30 years, the statistics witnessed a growth of 20 million, reaching a high of approximately 50 million of barrels in 2010.
In terms of employed people in the oil industry, figure stood at 1,000 in 1950, fluctuating slightly in the next decade, then it had a sharp increase from 1,000 to 1,800 people in 1980. The number continued growing to reach a high of 3,100 people. Meanwhile, a national unemployment rate was 4% in 1950, before it started decreasing by 0.2 percentage units every 10 years until 1980 when there was a decline to 3.1%. Finally, figures dropped steadily over the next two decades to hit a minimum of 1.6% in 2010.