The graph below shows average carbon dioxide (CO2) emissions per person in the United Kingdom, Sweden, Italy and Portugal between 1967 and 2007.

The line graph provides information about the carbon dioxide (CO2) emissions

in

Change preposition

on

show examples

average per person in three different countries (United Kingdom,

Sweden

, Italy, and Portugal) from 1967 to 2007.

Overall

, the

number

in Italy and Portugal maintained

increase

Correct article usage

an increase

show examples

while

in UK and

Sweden

experienced

decrease

Add an article

a decrease

show examples

. At the beginning of the period, the United Kingdom and

Sweden

became the most nation contributing C02 emissions which were just over 10

tonnes

for the former and around 9

tonnes

for the latter.

Then

, in 1977, there was a slight decrease in the UK and the

number

kept decreasing until 2007 which was approximately 9

tonnes

. Meanwhile, there was a significant increase in

Sweden

by about 2

tonnes

in 1977 and a dramatic decrease at 7

tonnes

. The

number

kept falling to just below 6

tonnes

at the end

of the period.

On the other hand

, in Italy and Portugal,

although

being the lowest

number

of contributing gas emissions in 1967, the figures kept raising until the end of the period. The

number

jumped by around 4

tonnes

for each state.