as is shown by the figure/percentage in the table/picture,____ has been on rise/ decrease, significantly/dramatically rising/decreasing from ____ in _____ to _____ in _____. from the sharp rise/decline in the chart, it goes without saying that _____.

　　there are at least two good reasons accounting for _____. in one hand, ____.in the other hand, _____ is due to the fact that ______.in addition, ______ is responsible for _____. maybe there are some other reasons to show ______.but itis generally believed that the above mentioned reasons are commonly convincing.

　　as far as i am concerned, i hold the point of view that _______. i am sure my opinion is both sound and well-grounded.