| 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 | 15.954 | 19.262 | 83% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 250 | 1,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.92B | 139B | 1% |
| Annual Yield % from dividends | 1.38 | 1.60 | 86% |
| Returns for 1 year | 9.64 | 12.54 | 77% |
| Returns for 3 years | 61.28 | 52.05 | 118% |
| Returns for 5 years | 67.20 | 43.47 | 155% |
| Returns for 10 years | N/A | 76.17 | - |