| NBRIX | VGSLX | NBRIX / VGSLX | |
| Total Expense Ratio | 0.85 | 0.13 | 654% |
| Annual Report Gross Expense Ratio | 1.03 | 0.13 | 792% |
| Fund Existence | 18 years | 24 years | - |
| Gain YTD | 0.894 | 1.356 | 66% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 3000 | 33,333% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 625M | 64B | 1% |
| Annual Yield % from dividends | 2.23 | 3.82 | 58% |
| Returns for 1 year | -2.03 | 3.18 | -64% |
| Returns for 3 years | 5.36 | 10.00 | 54% |
| Returns for 5 years | 3.79 | 22.99 | 16% |
| Returns for 10 years | 27.68 | 67.99 | 41% |