| NSRKX | RWIFX | NSRKX / RWIFX | |
| Total Expense Ratio | 0.24 | 0.46 | 52% |
| Annual Report Gross Expense Ratio | 0.24 | 0.46 | 52% |
| Fund Existence | 5 years | 24 years | - |
| Gain YTD | 20.361 | 23.740 | 86% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 250 | 1,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.96B | 144B | 1% |
| Annual Yield % from dividends | 1.38 | 1.60 | 86% |
| Returns for 1 year | 12.51 | 15.39 | 81% |
| Returns for 3 years | 66.15 | 57.49 | 115% |
| Returns for 5 years | 73.76 | 49.55 | 149% |
| Returns for 10 years | N/A | 88.26 | - |