| NSRKX | RWIFX | NSRKX / RWIFX | |
| Total Expense Ratio | 0.24 | 0.46 | 52% |
| Annual Report Gross Expense Ratio | 0.24 | 0.46 | 52% |
| Fund Existence | 6 years | 24 years | - |
| Gain YTD | 9.438 | 15.808 | 60% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 250 | 1,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.2B | 160B | 1% |
| Annual Yield % from dividends | 1.64 | 1.57 | 105% |
| Returns for 1 year | 22.17 | 22.26 | 100% |
| Returns for 3 years | 59.30 | 54.76 | 108% |
| Returns for 5 years | 54.55 | 37.12 | 147% |
| Returns for 10 years | N/A | 112.87 | - |