The line chart compares the average price of a barrel of oil with the food index over the period of 11 years.
It is clear that the prices for both commodities rose stably between 2000 and 2011 experienced the same pattern and specially, the gobal prices of food and oil were similar over above period, with a strong correlation 93,6% is suggested.
In the year 2000, the price of oil was close to $25 per barrel and the gobal price index was just under 90 points. Following the four years, the gobal prices of food and oil remained stably. But by 2007, the price of oil was much double higher than double while the food index stood at nearly 120 points.
The big change for both commodities was in 2008 with the average oil price reached at peak of approximately $140 a barrel, while the food similarly went up to 220 pionts in the same year. In 2009, the gobal prices for both commodities underwent a slight down, but it rose significantly once time again until 2011 with the average food price index reached at peak of under 240 points.