The given line graph reveals the tonnages of 
carbon
 dioxide Use synonyms
Use synonyms
emission
 in four European countries from 1967 to 2007. Fix the agreement mistake
emissions
Overall
, the dominant country for Linking Words
carbon
 emissions throughout the period was the United Kingdom, the UK and Sweden showed a downward trend Use synonyms
besides
 their counterparts. 
In 1967, the CO2 Linking Words
emission
 weight of Use synonyms
UK
 was roughly 11 Correct article usage
the UK
tonnes
 before Use synonyms
this
 declined slightly to around 9 Linking Words
tonnes
 in 2007. From 1967 to 1977, Sweeden's Use synonyms
carbon
 Use synonyms
Use synonyms
emission
 increased moderately and reached a peak at just over 10 Fix the agreement mistake
emissions
tonnes
, Use synonyms
then
 Linking Words
this
 Linking Words
amounth
 declined exponentially over the period of 30 years.
Italy and Portugal were countries Correct your spelling
amount
amounts
that
 their Correct word choice
where
carbon
 emissions rose consistently between 1967 and 2007. Italy's Use synonyms
carbon
 Use synonyms
emission
 started at about 4 Use synonyms
tonnes
 in 1967, after 30 years, Use synonyms
this
 increased by 3,5 Linking Words
tonnes
 per year in 1977 and protect its position at Use synonyms
rougly
 8 Correct your spelling
roughly
tonnes
 per year a decade later. Use synonyms
In contrast
, Portugal's Linking Words
carbon
 Use synonyms
emission
 inclined sharply to 5 Use synonyms
tonnes
 in 1997 and grew slowly between 1997 and 2007.Use synonyms