According to the chart we can see that, from 1 to 2 sales increase (from 60,130,573 $ 51,405,835 $ up) that oil price fell (from $ 27.77 to $ 23.87). From 2 to 5 sales have increased slightly (from $ 60,130,573 to $ 63,062,895). As the oil price increases of 2 to 4 (from $ 23.87 to $ 28.64) and from 4 to 6 fell slightly (from $ 28.64 to $ 25.53). From 5 to 8 sales rose sharply (from $ 63,062,895 to $ 111,517,411). As oil price, from 6 to 7 with a slight increase (from $ 25.53 to $ 26.03). Sales decreased from 8 to 9 (from $ 111,517,411 to $ 91,499,452). Parties oil price, from 7 to 10 have significantly reduced (from $ 26.03 to $ 18.88). Sales from 9 to 10 have to increase (from 91,499,452 to 122,463,462 $ $) and from 10 to 11 sales fell slightly (from $ 122,463,462 to $ 98,585,979). Oil price, from 11 to 14 have a slightly higher gain, alternating. From 11 to 14 sales rose sharply (from $ 98,585,979 to $ 129,230,292). Sales from 14 to 16 decreased (from 129,230,292 $ 100,883,708 $ xuuong). As oil price, rising from 14 to 16 decreased slightly (from $ 24.65 to $ 26.39 and then again down $ 24.65). Through charts and comment on shows, original (2008) when sales increase, oil price decline. Go to the top of the middle segment (2008 and first half 2009), both 2 and increase, but to the next section of track between (the second half of 2009 and 2010), the sales price rose sharply, the oil also fell sharply. The end (2011) sales decreased, while oil price is increasing or decreasing unstable.
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