| NBIIX | RERFX | NBIIX / RERFX | |
| Total Expense Ratio | 0.89 | 0.52 | 171% |
| Annual Report Gross Expense Ratio | 1.06 | 0.52 | 204% |
| Fund Existence | 20 years | 24 years | - |
| Gain YTD | 19.936 | 25.140 | 79% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 250 | 400,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.1B | 139B | 1% |
| Annual Yield % from dividends | 1.59 | 0.83 | 191% |
| Returns for 1 year | 12.93 | 17.62 | 73% |
| Returns for 3 years | 33.06 | 38.08 | 87% |
| Returns for 5 years | 8.83 | 11.80 | 75% |
| Returns for 10 years | 50.41 | 50.80 | 99% |