| NSIUX | VFIRX | NSIUX / VFIRX | |
| Total Expense Ratio | 0.44 | 0.10 | 440% |
| Annual Report Gross Expense Ratio | 0.73 | 0.10 | 730% |
| Fund Existence | 27 years | 25 years | - |
| Gain YTD | 0.204 | -1.107 | -18% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 50000 | 5% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 24.7M | 5.8B | 0% |
| Annual Yield % from dividends | 3.46 | 3.84 | 90% |
| Returns for 1 year | 2.95 | -0.51 | -582% |
| Returns for 3 years | 12.21 | 0.00 | - |
| Returns for 5 years | 5.38 | -8.16 | -66% |
| Returns for 10 years | 13.09 | -4.74 | -276% |