The given line graph compares usage of a car per households in Britain between 1971 and 1975 .
In general , the percentage of households using two cars and over three cars showed an increase while the opposite was true for no car usage . Meanwhile the consumption of households with one car remained relatively the same over the 36-year period
Regarding the percentage of households with two cars and over three cars , the figure for this recorded an upward trend . The percentage of three or more cars consumption per households gradually went up from about 0% to over 5% throughout the period . The figure for two cars ownnership soared between under 10% and over 25% from 1971 to 2007
In terms of the rate of households with one car and households without cars ,the biggest gap was seen in no car ownership whose rate dropped by a quarter ( from approximately 50% to 25%) . Despite the fact that there were several minor changes in percentage of households using one car , one car was the most prevalant choice and remained relatively the same level at under 45% over 36-year period
