The given line graph 
illustates
 the manufacturing Correct your spelling
illustrates
rated
 of the leading fuel resources in the UK from 1981 to 2000.
Change the form of the verb
rate
Overall
, the level of petroleum fluctuated Linking Words
in
 19 years but ended up growing. Change preposition
over
While
 natural gas ratings increased each Linking Words
year
, with minor exceptions, coal energy Use synonyms
units number
 actually lowered during that time.
First of all, in 1981, petroleum levels were pretty high and Fix the agreement mistake
unit numbers
it
 kept increasing until the Correct pronoun usage
they
year
 Use synonyms
of 
1987. That's when the graph for petrol started Change preposition
apply
deacreasing
, but eventually, it showed Correct your spelling
decreasing
the 
continuous growth since 1990. Correct article usage
apply
However
, the same could not be Linking Words
told
 about coal unit numbers. It faced an incredible loss of over 40 energy units in 1984. Even thoughVerb problem
said
,
 carbon ratings showed some growth after that, it was still the least Remove the comma
apply
producted
 fuel source after nearly 2 decades.
Correct your spelling
produced
Lastly
, Linking Words
meanwhile
 other materials displayed some fluctuations in their energy amounts, Add a comma
meanwhile,
natural
 gas kept on skyrocketing. Till the Correct word choice
and natural
year
 Use synonyms
of 
1990, the graph was kind of straight, Change preposition
apply
however
 after that exact Linking Words
year
, it grew up to the number 2.5 times higher than its first state.Use synonyms