As is shown in the chart / graph / diagram / table above, __________ has charged drastically in the past _________. While ___________,now the percentage of__________ is __________. Meanwhile, the number of _________ has soared up to ________. There are mainly two possible reasons contributing to the rapid changes. The first is that _________. Secondly,__________. In my point of view, the changes have a great influence on _________. At the same time,_______. To sum up ,_________.