3.the situation reached a peak(a high point at) of[%].

4.a increased by……

5.a increased to……

6.there is an upward trend in the number of……

7. a considerable increase/decrease occurred from……to……

8.……(year)witnessed/saw a sharp rise in……

表示下降趋势的句型：

1.the figures/situation bottomed out in……

2.the figures reached the bottom/a low point/hit a trough.

3.from……to……the rate of decrease slow down.

4.from this year on，there was a gradual decline/ reduction in the……，reaching a figure of……

表示平稳趋势的句型：

1.the number of……remained steady/stable from (month/year) to (month/year).

2.the percentage of…stayed the same between…and……

3.the percentage remained steady at……

表示比较的句型：

1.the percentage of…is slightly larger/smaller than that of

2.there is not a great deal of difference between……and……

3.…decreased year by year while……increased steadily.

4.there are a lot similarities/differences between……and……