How Do I Calculate Interest on My PF Deductions from 2007 to 2010? Need Help!

Hi all, can anyone help me calculate the interest on PF accumulated based on the amounts deducted from my salary from Oct-07 to Apr-10? These are the deductions made:

- Oct-07: 265
- Nov-07: 418
- Dec-07: 432
- Jan-08: 432
- Feb-08: 432
- Mar-08: 432
- Apr-08: 374
- May-08: 334
- Jun-08: 432
- Jul-08: 432
- Aug-08: 432
- Sep-08: 432
- Oct-08: 747
- Nov-08: 485
- Dec-08: 485
- Jan-09: 485
- Feb-09: 457
- Mar-09: 485
- Apr-09: 396
- May-09: 487
- Jun-09: 487
- Jul-09: 490
- Aug-09: 487
- Sep-09: 480
- Oct-09: 419
- Nov-09: 487
- Dec-09: 485
- Jan-10: 438
- Feb-10: 478
- Mar-10: 387
- Apr-10: 274

Total: 13785

Location: Bangalore, India