| CSRIX | NBRIX | CSRIX / NBRIX | |
| Total Expense Ratio | 0.75 | 0.85 | 88% |
| Annual Report Gross Expense Ratio | 0.76 | 1.03 | 74% |
| Fund Existence | 26 years | 18 years | - |
| Gain YTD | 4.222 | -0.876 | -482% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 1000000 | 100% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.92B | 646M | 1,226% |
| Annual Yield % from dividends | 3.09 | 2.17 | 142% |
| Returns for 1 year | -3.43 | -7.16 | 48% |
| Returns for 3 years | 17.82 | 1.15 | 1,553% |
| Returns for 5 years | 30.87 | 7.05 | 438% |
| Returns for 10 years | 38.73 | 14.09 | 275% |