The chart gives us an overall picture of the ____________(图表主题). The first thing we notice is that_______________(图表最大特点). This means that as __________, _________________(进一步说明).
We can see from the statistics given that _______________(图表细节一). After ving_________(细节一中的第一个变化), the _____Ved+幅度+时间(紧跟着的变化). The figures also tells us that_________________________(图表细节二). (数据位置，如In the second column), we can see that ____________accounts for _______(进一步描述).
Judging from these figures, we can draw the conclusion that___________(结论). The reason for this, as far as I am concerned is that_____________(给出原因). / It is high time that we Ved(发出倡议)