The pie charts compare the percentage of people gaining degrees at the National University in 4 fields different fields from 1990 to 2012. Overall, Computer Science witnessed an upward trend and Business went down while the others stayed unchanged.
To be specific, the proportion of people having Computer Science degrees started at 30% before significantly increased by 10% in 2000 and grew to 45% in the last ten years. The figure for Business, in contrast, decreased dramatically from 30% to 20% between 1990 and 2000. Then, it continued to fall to 15% in 2010.
Meanwhile, Medicine occupied 25% of degrees granted in 1990, followed by a slow growth to 30% and regained at 25% in the last year. Similarly, although Law underwent a decline from 1990 to 2000, it recaptured at 15% in 2010. An interesting note was that Law stood at the bottom of the chart over the period. 
The pie charts compare the percentage of  
people
 gaining degrees at the National University in 4 fields  
different
 fields from 1990 to 2012.  
Overall
, Computer Science witnessed an upward trend and Business went down while the others stayed unchanged.
To be specific, the proportion of  
people
 having Computer Science degrees  
started
 at 30%  
before
  significantly
 increased by 10% in 2000 and grew to 45% in the last ten years. The figure for Business,  
in contrast
, decreased  
dramatically
 from 30% to 20% between 1990 and 2000. Then, it continued to fall to 15% in 2010.
Meanwhile, Medicine occupied 25% of degrees granted in 1990, followed by a slow growth to 30% and regained at 25% in the last year.  
Similarly
, although Law underwent a decline from 1990 to 2000, it recaptured at 15% in 2010. An interesting note was that Law stood at the bottom of the chart over the period.