| NSIUX | VSGBX | NSIUX / VSGBX | |
| Total Expense Ratio | 0.44 | 0.20 | 220% |
| Annual Report Gross Expense Ratio | 0.73 | 0.20 | 365% |
| Fund Existence | 27 years | 39 years | - |
| Gain YTD | 0.219 | -1.449 | -15% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 3000 | 83% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 27.1M | 4.45B | 1% |
| Annual Yield % from dividends | 3.44 | 3.87 | 89% |
| Returns for 1 year | 2.14 | -0.97 | -221% |
| Returns for 3 years | 12.79 | 2.93 | 437% |
| Returns for 5 years | 5.48 | -6.55 | -84% |
| Returns for 10 years | 12.99 | -2.07 | -627% |