| NBIIX | RERFX | NBIIX / RERFX | |
| Total Expense Ratio | 0.85 | 0.52 | 163% |
| Annual Report Gross Expense Ratio | 1.03 | 0.52 | 198% |
| Fund Existence | 21 years | 24 years | - |
| Gain YTD | 6.461 | 5.670 | 114% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 250 | 400,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.14B | 135B | 1% |
| Annual Yield % from dividends | 1.17 | 2.80 | 42% |
| Returns for 1 year | 17.72 | 18.72 | 95% |
| Returns for 3 years | 32.60 | 26.85 | 121% |
| Returns for 5 years | 8.66 | -2.76 | -313% |
| Returns for 10 years | 68.79 | 69.41 | 99% |