| CSEIX | NBRFX | CSEIX / NBRFX | |
| Total Expense Ratio | 1.10 | 1.40 | 79% |
| Annual Report Gross Expense Ratio | 1.10 | 1.40 | 79% |
| Fund Existence | 29 years | 24 years | - |
| Gain YTD | 17.103 | 17.833 | 96% |
| Front Load | 5% | N/A | - |
| Min. Initial Investment | 0 | 1000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 9.61B | 614M | 1,565% |
| Annual Yield % from dividends | 2.65 | 1.65 | 161% |
| Returns for 1 year | 15.42 | 15.39 | 100% |
| Returns for 3 years | 35.96 | 30.20 | 119% |
| Returns for 5 years | 12.23 | -3.02 | -405% |
| Returns for 10 years | 59.97 | 21.64 | 277% |