The bar chart below shows the production of the world’s oil in OPEC and non- OPEC countries. Write a short report for a university lecturer describing the information shown below.

Production of oil in OPEC and non-OPEC countries across the world overview. The graph offers data overview of past, present and future production of oil in OPEC and non-OPEC countries. To begin with, the bar shows information about between the periods of time from 1980 to 2000. In this case it is possible to appreciate. There were much more countries belonged to other OPEC. In contrast non-OPEC countries were a minority less than five in this period of time. Moreover the consecutive bars show the information connected with non-OPEC and OPEC countries. Indeed, the first decade of the 21 century illustrates that the countries inside the OPEC change. In this regard non-OPEC, OPEC and Middle East OPEC countries appear with the same range of quantity. Eventually the bar with information between the years 2010 and 2020, illustrates that there will be more non–OPEC countries, according to the data in the whole graphic and the behavior of the patterns.