The graph below gives information about car ownership in Britain from 1971 to 2007. Summarize the information by selecting and reporting the main features and make comparisons where relevant.

The line graph illustrates how many

families

owned

one

car

, no

car

, two

cars

, and three or more

cars

over a 36-year period from 1971 to 2007. It is evident that the percentage of

households

using two

cars

and three or more

cars

showed an upward trend,

whereas

a reverse pattern could be observed in the figure for

households

with

one

car

.

One

car

,

additionally

, remained stable during the surveyed period. In 1971, the proportion of

families

having two

cars

accounted for around 8%, which was in the region of 7% higher than that of

households

with three or more

cars

. After that, both experienced a sharp increase to reach the highest point of nearly 6% and 27% respectively in 2009. From 1971 onwards, approximately 50% of

households

used No

car

, hitting the highest point in the year 1971, compared to roughly 44% of the figure for

families

with

one

car

. 36 years later, there was a stable fluctuation in the data of

households

utilizing

one

car

, talking up around 45%, a significant decline to almost 25% was seen in the proportion of

families

owning no

car

by the end of the period