Trends verb tenses

Sales (a)   (go up) 12% last year.

Sales (a)   (go up) 12% so far this year.

Profits (a)   (rise) slightly last year.

Profits (a)   (rise) slightly this year.

There has been a slight (a)   (rise) in profits

this year.

In the last two years, their market share (a)  

(grow) steadily.

Last year, their market share (a)   (grow) steadily.

In the last two years there has been steady (a)  

(grow) in their market share.

Their number of hits (a)   (fall) since January.

Their number of hits (a)   (fall) in January.