| 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 | 13.675 | 17.247 | 79% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 250 | 1,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.29B | 156B | 1% |
| Annual Yield % from dividends | 1.63 | 1.60 | 102% |
| Returns for 1 year | 18.72 | 17.58 | 107% |
| Returns for 3 years | 63.98 | 56.26 | 114% |
| Returns for 5 years | 53.44 | 38.85 | 138% |
| Returns for 10 years | N/A | 97.64 | - |