| NSRIX | WGIFX | NSRIX / WGIFX | |
| Total Expense Ratio | 0.29 | 0.52 | 56% |
| Annual Report Gross Expense Ratio | 0.29 | 0.52 | 56% |
| Fund Existence | 18 years | 17 years | - |
| Gain YTD | 20.282 | 23.660 | 86% |
| 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 | 1.56 | 86% |
| Returns for 1 year | 12.41 | 15.32 | 81% |
| Returns for 3 years | 65.82 | 57.23 | 115% |
| Returns for 5 years | 73.35 | 49.19 | 149% |
| Returns for 10 years | 170.51 | 87.75 | 194% |