| ISTAX | VIMSX | ISTAX / VIMSX | |
| Total Expense Ratio | 1.44 | 0.17 | 847% |
| Annual Report Gross Expense Ratio | 1.44 | 0.17 | 847% |
| Fund Existence | 19 years | 28 years | - |
| Gain YTD | 7.673 | 7.167 | 107% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 3000 | 33% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 46.5M | 199B | 0% |
| Annual Yield % from dividends | 0.37 | 1.38 | 27% |
| Returns for 1 year | -6.63 | 3.39 | -195% |
| Returns for 3 years | -8.79 | 35.44 | -25% |
| Returns for 5 years | -10.09 | 45.66 | -22% |
| Returns for 10 years | 39.34 | 133.73 | 29% |