| NBRFX | VGSNX | NBRFX / VGSNX | |
| Total Expense Ratio | 1.39 | 0.11 | 1,264% |
| Annual Report Gross Expense Ratio | 1.39 | 0.11 | 1,264% |
| Fund Existence | 24 years | 22 years | - |
| Gain YTD | -0.242 | 4.569 | -5% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 5000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 660M | 64B | 1% |
| Annual Yield % from dividends | 1.99 | 3.98 | 50% |
| Returns for 1 year | -4.20 | 0.01 | -45,748% |
| Returns for 3 years | 1.66 | 17.98 | 9% |
| Returns for 5 years | 5.32 | 28.53 | 19% |
| Returns for 10 years | 16.42 | 67.84 | 24% |