| NTIAX | VEXMX | NTIAX / VEXMX | |
| Total Expense Ratio | 0.45 | 0.19 | 237% |
| Annual Report Gross Expense Ratio | 0.58 | 0.19 | 305% |
| Fund Existence | 26 years | 38 years | - |
| Gain YTD | 5.094 | 2.828 | 180% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2000 | 3000 | 67% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.54B | 82.1B | 3% |
| Annual Yield % from dividends | 0.98 | 0.98 | 100% |
| Returns for 1 year | 1.45 | 9.27 | 16% |
| Returns for 3 years | 4.74 | 43.56 | 11% |
| Returns for 5 years | -8.85 | 21.26 | -42% |
| Returns for 10 years | 27.98 | 203.31 | 14% |