There are words and phrases which help to describe trends. Using these will help you to score a good band in the task
An increase, a boom, a growth, a surge, to go up, to reach at peak, to grow, to climb, To decrease, to fall, to decline, to dip, to drop, to go down, to reduce, No change, remain stable, steady, constant, maintain same level, to hold, to level off A fluctuation-to fluctuate, a variation-to vary A period of stability, a plateau
To show an upward trend, to show a downward trend, to hit the highest point, to hit the lowest point, to reach a peak, to show some fluctuation, to fluctuate wildly, to remain stable, to remain static, to remain unchanged, to stay constant, to reach a plateau, to level off, to flatten out, the highest, the lowest, the second highest, the third highest, compared to, compared with, relative tou
Sharply, suddenly, rapidly, abruptly, dramatically, significantly, steadily, considerably, slightly gently, gradually, wildly, enormously, substantially, moderately, slightly, minimally, swiftly, slowly
Sharp, sudden, rapid, abrupt, dramatic, steep, significant, steady, considerable, marked, slight, gentle, gradual, enormous, substantial, moderate, slight, minimal, swift, slow
For the period, since 2000, for five years, between 2001-2009, in 2010
However, on the other hand, despite, inspite of, though, although, but, on the contrary, otherwise, yet, instead of, rather, whereas, nonetheless, even though, compared with, in contrast, alternatively
In addition to, similarly, likewise, as well as, besides, furthermore, also, too firstly, initially, to begin with, later, after this/ that, following this/ that
In the nut shell, in conclusion, the overall view, to recapitulate
To reduce the size of the group: A few, some, many, most (countable items), a little, some, much, most (non-countable items) To reduce number of items of times something occurs: Often, frequently, sometimes, occasionally
Also, although, as a consequence of, as well as, because of, despite, final, in case of , now recently, furthermore, however, in the case of, now, recently, furthermore, however, in the case of, now, similarly, subsequently, such as, then, therefore, when, while, and, in addition to, moreover, simultaneously.