| 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 | 2.504 | 4.964 | 50% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 250 | 1,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.03B | 142B | 1% |
| Annual Yield % from dividends | 1.75 | 1.70 | 103% |
| Returns for 1 year | 17.81 | 16.61 | 107% |
| Returns for 3 years | 56.11 | 44.56 | 126% |
| Returns for 5 years | 58.29 | 32.39 | 180% |
| Returns for 10 years | N/A | 102.75 | - |