The bar graph illustrates how much oil is produced both in OPEC and in non-OPEC countries over a period of 20 years (1980 to 2020).
Overall
,between 1980 and 2010 most of the grease was made in the OPEC region (including the Middle East side) , and Linking Words
then
, between 2010 and 2020 the biggest part of the oil was produced in OPEC-free regions.
Linking Words
According to
the graph , in the period 1980-2000 around 10 per cent of lubricant was made in OPEC regions , Linking Words
while
between 2000 and 2010 more than 13 per cent was made in Linking Words
this
type of countries , but in 2010-2020 the percentage dropped to less than 3.
Linking Words
Nevertheless
, the percentage of oil produced in Non-OPEC regions started from nearly 2 in 1980 and got to over 15 in 2020, which was a big growth. So, from representing the smallest percentage in 1980-2000, Non-OPEC countries became the first-place grease producer by 2020.Linking Words
zaineajessica