| 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 | 17 years | - |
| Gain YTD | 6.829 | 1.958 | 349% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 1000000 | 100% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.08B | 674M | 1,198% |
| Annual Yield % from dividends | 3.09 | 2.17 | 143% |
| Returns for 1 year | -1.83 | -5.64 | 32% |
| Returns for 3 years | 30.16 | 16.11 | 187% |
| Returns for 5 years | 40.52 | 14.41 | 281% |
| Returns for 10 years | 39.46 | 16.24 | 243% |