The line chart illustrates how much every individual averagely emits carbon dioxide in four European countries which are the United Kindom, 
Sweden
, Italy and Portugal from 1967 to 2007. 
Use synonyms
To sum up
, the personal percentage of CO2 emissions in the UK and Linking Words
Sweden
 decreased over the given period, Use synonyms
while
 the figure increased in another two countries.
The average number of British CO2 emissions was the highest between 1967 and 2007(approximately 12 per Linking Words
cent
 in 1967 to 9 per Use synonyms
cent
 in 2007). Use synonyms
Although
 the trend of per person CO2 emission in Linking Words
Sweden
 increased significantly from 8.3% in 1967 to 10.1% in 1977, Use synonyms
this
 figure dropped to about 6 next thirty years. Italian's individual CO2 Linking Words
emission
 rose from about 4 per Fix the agreement mistake
emissions
cent
 to 8 per Use synonyms
cent
 over forty years and the number was the same as Use synonyms
Sweden
's in 1995. Portuguese were the lowest emissions Use synonyms
comparing
 the other countries from 1.8 per Wrong verb form
compared
cent
 in 1967 to 6 per Use synonyms
cent
 in 2007.Use synonyms