[news.eclipse.birt.usability] How create Pie Chart (Urgent)

[imransmd000@xxxxxxxxxxx (Imran Shaik)]

i want to show in a pie chart how many students passed(in same class) out 
of 60.
for that data is 25% pass from total=60.please send me ant solution for 
this i am using birt 2.2 reporting tool for reports and i am new for this.