| CSEIX | NBRFX | CSEIX / NBRFX | |
| Total Expense Ratio | 1.10 | 1.40 | 79% |
| Annual Report Gross Expense Ratio | 1.10 | 1.40 | 79% |
| Fund Existence | 28 years | 24 years | - |
| Gain YTD | 0.870 | 1.047 | 83% |
| Front Load | 5% | N/A | - |
| Min. Initial Investment | 0 | 1000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.33B | 625M | 1,333% |
| Annual Yield % from dividends | 3.01 | 2.03 | 148% |
| Returns for 1 year | 3.25 | -1.89 | -172% |
| Returns for 3 years | 12.21 | 4.99 | 244% |
| Returns for 5 years | 17.99 | 2.38 | 757% |
| Returns for 10 years | 64.67 | 25.41 | 255% |