The given bar charts illustrate how much fuel costs in two states of the USA between 2005 and 2009, measured in US dollars per litre.
Overall, the price of gasoline and petrol reached a peak in 2008 and witnessed the lowest pattern in 2009 in both states. Notably, state A and state B share the same trend when recording an upward trend from 2005 to 2008 before dropping at the end of the given period.
In terms of state A, starting at 0,80, the price of gasoline experienced a steady increase of approximately 0,20 per year until 2008, when it reached the highest point (1,40). After that, there was a significant plummet of 0,65, making the figure dramatically drop to 0,75 – about a half of the previous data. Sharing a similar pattern, the price of petrol climbed gradually from 0,60 to 1,20 between 2005 and 2008, then remarkably plunging to just 0,55 in 2009.
Regarding state B, in 2005, the price of petrol started at 0,70 point before moderately increasing to 0,95 in the next year, followed by a dip to 0,90 in 2007. Subsequently, this figure slightly rose to 1,10 in 2008, then ended up sharply plummeting to 0,50 at the end of the period, sharing the pattern that was identical to the price of petrol in 2009 in state A. Almost reflecting this trend, the price of state B gasoline steadily grew to 1,50 after starting at just below 1,00 -0,90. Then, this figure marginally dipped to 1,10 in 2007 before gradually climbing to 1,30 in 2008. Finally, the gasoline price of state B markedly plunged to 0,70 at the end of the period.
