| 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 | 15.697 | 14.434 | 109% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 250 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.97B | 142B | 1% |
| Annual Yield % from dividends | 1.33 | 1.34 | 99% |
| Returns for 1 year | 13.05 | 12.38 | 105% |
| Returns for 3 years | 64.03 | 46.17 | 139% |
| Returns for 5 years | 59.72 | 31.21 | 191% |
| Returns for 10 years | 163.78 | 73.56 | 223% |