A group of oil exporting country is 36.72 million per cent and there are other groups who produce 54.61 million per cent by the year 2013 reflects a number of other operators in the sector rather than 17.89 million, percent.
The oil exporting countries with 36.72 percent of the manufacturer and the other 54.61 percent of the year 2013 shows the number of the other operators. Somewhat higher in the range of 17.89 million.