| 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 | 15.734 | 14.720 | 107% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 250 | 1,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.97B | 142B | 1% |
| Annual Yield % from dividends | 1.38 | 1.59 | 86% |
| Returns for 1 year | 13.09 | 12.66 | 103% |
| Returns for 3 years | 64.21 | 47.45 | 135% |
| Returns for 5 years | 60.19 | 32.78 | 184% |
| Returns for 10 years | N/A | 75.72 | - |