| TNIBX | VSIBX | TNIBX / VSIBX | |
| Total Expense Ratio | 0.79 | N/A | - |
| Annual Report Gross Expense Ratio | 0.79 | N/A | - |
| Fund Existence | 9 years | N/A | - |
| Gain YTD | 0.985 | 11.442 | 9% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | N/A | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 9.88B | N/A | - |
| Annual Yield % from dividends | 3.27 | N/A | - |
| Returns for 1 year | 2.96 | N/A | - |
| Returns for 3 years | 14.65 | -88.74 | -17% |
| Returns for 5 years | -4.69 | -89.88 | 5% |
| Returns for 10 years | N/A | -88.18 | - |