how to create student progress pie chart in crysatl report

hello friends,

 

i m stuck up on Pie chart in crystal report. actually i have student report card and i want to show the progress pie chart of student from first term to second term. i have reterive all students academic data. now i want to make pie chart according to data.. hope you understand what i want.. if you have any code or demo regardig for this problem then please give me solution ASAP..

 

thanks in Advance friends