The graph below shows changes in the share of vehicle registrations of the three most common types of commercial vehicles in the US between 1970 and 2010.

The graph depicted the changes in the share of vehicle registrations of the three most common types of commercial vehicles in the US between 1970 and 2010. Regarding truck

registration

, it dropped dramatically from 1970 to 1980 by around 20% but it

then

rose steadily from 1980 to 2010 by about 15%.

On the other hand

, taxi

registration

raised

Verb problem

increased

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significantly

form

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from

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1970 to 1980

for

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by

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about 10% but it

then

dropped drastically from 1980 to 2000.

However

, it suddenly increased dramatically by 20% from 2000 to 2010.

Comparing

Wrong verb form

Compared

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to the other two types of vehicle, bus

registration

did not show too much fluctuation. It climbed steadily from 1970 to 1980 by about 10% and dropped slightly from 180 to 2010 by around 11%.

By comparison

, bus

registration

remained steady over the 40 years

while

taxi

registration

was a bit unpredictable as it fluctuated from time to time.