The given line chart provides information about the percentage of different vehicle registrations in the US between 1970 and 2010.
Overall, even though truck users showed a declining rate at the start, their proportion started to rise steadily. In contrast with the bus and taxi figures .
Initially, truck drivers were only 50% of the total transportation in 1970, but then, drivers number started to drop to 30% in 1980. Afterwards, their number began to accumulate at a constant rate from 1980 to 2010. Conversely to taxi drivers, witnessed a sharp rise in the first, but then they started to collapse until 2000, when the figure of taxi registrations recovered, and then started to rise.
Similarly, bus drivers started from a small percentage of under 10% in 1970, with an increased rate of users reaching above 10% by 1980. When their rate dropped gradually from 10% to under that , with a large gap.
