| CSRIX | NBRIX | CSRIX / NBRIX | |
| Total Expense Ratio | 0.75 | 0.85 | 88% |
| Annual Report Gross Expense Ratio | 0.76 | 1.03 | 74% |
| Fund Existence | 27 years | 18 years | - |
| Gain YTD | 11.584 | 11.409 | 102% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 1000000 | 100% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 9.11B | 528M | 1,725% |
| Annual Yield % from dividends | 2.76 | 1.83 | 150% |
| Returns for 1 year | 8.61 | 7.74 | 111% |
| Returns for 3 years | 33.77 | 28.81 | 117% |
| Returns for 5 years | 11.15 | -7.97 | -140% |
| Returns for 10 years | 47.79 | 24.89 | 192% |