Writing task 1 - grammar mọi người check giúp em với ạ!

The line graph illustrates the change in car ownership in the UK between 1975 and 2005.
Overall, people who owned 1, 2 or 3 cars tended to rise gradually. On the other hand, the figure of those who owned no car decreased.
In 1975, the proportion of pp who owned one car was highest, approximately 45%, the following is people who owned 0 car accounted to 43%. Over the next ten years, these figures declined significantly, pp with one car and no car fell to about 38% and 25% respectively. By contrast, the percentage of those who owned 2, 3 cars increased slightly in 1985, to around 14% and 5%, respectively. Despise having small percentage around 7% and 3% respectively in 1975.
From 1985 to 2005, the percentage of pp who owned 2 and 3 cars continued to rise slightly around 18% and 9% respectively. Additionally, pp with one car after having decreased considerably about 38%, then it climbed to around 45%, accounted to approximately half of car ownership in the UK. Besides, a figure of pp with 0 car continued to drop to about 22%.