| 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 | 11.496 | 11.417 | 101% |
| Front Load | 5% | N/A | - |
| Min. Initial Investment | 0 | 1000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 9.6B | 543M | 1,768% |
| Annual Yield % from dividends | 1.71 | 1.65 | 103% |
| Returns for 1 year | 10.83 | 9.43 | 115% |
| Returns for 3 years | 34.31 | 28.36 | 121% |
| Returns for 5 years | 4.88 | -8.77 | -56% |
| Returns for 10 years | 55.86 | 19.50 | 286% |