| 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 | 11.210 | 16.246 | 69% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 250 | 1,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.22B | 158B | 1% |
| Annual Yield % from dividends | 1.58 | 1.57 | 101% |
| Returns for 1 year | 13.24 | 11.87 | 112% |
| Returns for 3 years | 57.35 | 53.16 | 108% |
| Returns for 5 years | 49.11 | 34.54 | 142% |
| Returns for 10 years | N/A | 100.32 | - |