| NSRIX | RWIEX | NSRIX / RWIEX | |
| Total Expense Ratio | 0.29 | 0.76 | 38% |
| Annual Report Gross Expense Ratio | 0.29 | 0.76 | 38% |
| Fund Existence | 18 years | 24 years | - |
| Gain YTD | 9.403 | 13.431 | 70% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 250 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.2B | 160B | 1% |
| Annual Yield % from dividends | 1.60 | 1.33 | 120% |
| Returns for 1 year | 22.12 | 18.86 | 117% |
| Returns for 3 years | 59.04 | 50.36 | 117% |
| Returns for 5 years | 54.12 | 32.06 | 169% |
| Returns for 10 years | 199.22 | 105.80 | 188% |