| NBIIX | VDIPX | NBIIX / VDIPX | |
| Total Expense Ratio | 0.89 | 0.02 | 4,450% |
| Annual Report Gross Expense Ratio | 1.06 | 0.02 | 5,300% |
| Fund Existence | 20 years | 12 years | - |
| Gain YTD | 14.434 | 25.542 | 57% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 100000000 | 1% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.05B | 257B | 0% |
| Annual Yield % from dividends | 1.59 | 2.77 | 57% |
| Returns for 1 year | 10.27 | 22.03 | 47% |
| Returns for 3 years | 28.47 | 44.31 | 64% |
| Returns for 5 years | 3.00 | 36.60 | 8% |
| Returns for 10 years | 39.68 | 66.91 | 59% |