| NSRIX | RWICX | NSRIX / RWICX | |
| Total Expense Ratio | 0.29 | 1.06 | 27% |
| Annual Report Gross Expense Ratio | 0.29 | 1.06 | 27% |
| Fund Existence | 18 years | 23 years | - |
| Gain YTD | 18.210 | 20.881 | 87% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 250 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.96B | 144B | 1% |
| Annual Yield % from dividends | 1.33 | 1.11 | 120% |
| Returns for 1 year | 10.84 | 13.10 | 83% |
| Returns for 3 years | 64.49 | 52.88 | 122% |
| Returns for 5 years | 70.36 | 43.43 | 162% |
| Returns for 10 years | 162.50 | 78.33 | 207% |