over the period of 30 years.
Seeing as how this is the summary overviews you cannot use other year measurement references yet. If you mustuse other year measurements, never forget to indicate the actual years covered otherwise, the summary is incomplete in terms of accurate data presentation and could recieve a reduced sectional score.
the owner of one car
The phrase is inaccurate in the sense that it is in singular form when the image provides a plural measurement for "single car owners". This is a sentence formation problem.
there was a gradual fall in the percentage
You have to present the starting percentage to help the reader understand the fall rate and final figure.
witnessed a moderate growth
Of what percentage?
Basically, the writer needs to work on accurate data presentation in relation to report clarity. There are also several spelling evors that show a lack of editing and proofreading.The essay will fail based an LR and GRA errors.