Please correct it for me!

The diagram shows money donation proportion information of Bristish follows increasing age in two decades, from 1990 to 2010.

Overall, the generous to give charity money sharply rose together the getting older of the Uk citizens, however lightly decrease after being mature. Fistly, in the past, the donation gradually grew in three youngest ages class. The highest peak was obtained by the third group, a little more than 40 percentage. Then the number taking charity lightly fell down by each next group. Secondly, by 2010, there is the same trend, but only one small significant different, the change peak appeare in 51 to 60 group, approximately 40 percantage. In compasrison to 1990, the donation considerably decreased in the youth class, whereas it induced in the last two groups.

To summarise, there had been a significant difference beteen young old age class who do finance charity. Along the time, after 20 years, , the charity action tended to change obviously, the old donate more and more, while the mature and young do it less.