| Sl. no. | Range of Instability Index | Total entries |
|---|---|---|
| 1. | -40 - -30 | 1 |
| 2. | -29 - -20 | 12 |
| 3. | -19 - -10 | 57 |
| 4. | -9-0 | 246 |
| 5. | 1-10 | 703 |
| 6. | 11-20 | 4292 |
| 7. | 21-30 | 14363 |
| 8. | 31-40 | 26001 |
| 9. | 41-50 | 16765 |
| 10. | 51-60 | 5968 |
| 11. | 61-70 | 1997 |
| 12. | 71-80 | 708 |
| 13. | 81-90 | 239 |
| 14. | 91-100 | 74 |
| 15. | 101-110 | 17 |
| 16. | 111-120 | 8 |
| 17. | 121-130 | 5 |
| 18. | 131-140 | 1 |
| 19. | 141-150 | 2 |
| 20. | 151-160 | 0 |
| 21. | 161-170 | 2 |