Thirdly, (原因3).
6 All in all, we can see that in the
past years/months/weeks, has/have been rising/dropping year by year. 7 We can also expect that (展望发展趋势).
6 From the above discussions, we have enough reason to predict what will happen in the near future. 7 The trend described in the table/chart/graph will continue for quite a long time (if necessary measures are not taken).