The line graph shows the average number of 
cars
 being used by UK houses in 4 categories between 1971 and 2007.
   Use synonyms
Overall
, it can be seen that no-car folk saw a dramatic decrease Linking Words
while
 Linking Words
families
 that have 2 Use synonyms
cars
 tripled. Use synonyms
Whereas
 Linking Words
families
 with 1 and 3 or more Use synonyms
cars
 remained constant in the whole period.
     Group without car ownership  had the highest rate at the beginning which was about 48 %, and decreased dramatically. Whose figure witnessed at  40% and 30% from 1981 to 1995. In terms of Use synonyms
families
 with 2 machines rose from 8% to 10% between 1971 and 1979. And started continuous rise which totalled  15% in 1985 and saw a peak trend in 2007 with 25%.
       The figure for Use synonyms
household
 with 1 car was the  most volatile. In 1971 it amounted to 45%. Fix the agreement mistake
households
Then
 levelled off throughout the period nearly at 42% and 46%. Linking Words
Whereas
 Linking Words
families
 with the ownership of 3 or more Use synonyms
cars
 was the lowest trend. Its rate was 2% from 1971 to 1978. With slight rises, it could reach 6% in 2007.Use synonyms