The line graph illustrates British families with their usage of cars during the period from 1971 to 2007.
Overall, it can be clearly seen that the proportion of families owning two and three or more cars increased steadily, while the proportion residents without cars declined significantly. In contrast, households with one car remained steady.
In detail, the percentage of individuals without cars accounted for almost 48% in 1971, after that it has mild fluctuations, the percentage made up approximately 25% in 2007. The ratio of households owning three or more cars rose by almost 4% during the whole time.
The number of citizens who have 2 cars remained stable at the same rate as user who have no cars at around 25% between the years 2003 and 2005. In addition, human beings with one car maintained the same level from 1971 to 2001 with minimal oscillations.
