as is shown/indicated/illustrated by the figure/percentage in　the　table(graph/picture/pie/chart), ___作文题目的议题_____ has been on rise/ decrease (goesup/increases/drops/decreases),significantly/dramatically/steadily rising/decreasing from______ in _______ to ______ in _____. From the sharp/marked decline/ rise in the chart, it goes without saying that ________.
　　There　are　at　least　two　good　reasons accounting for ______. On　the　one　hand, ________. On　the　other　hand,　_______ is　due　to　the　fact　that ________.　

    In　addition, ________ is　......