| ISTAX | VIMSX | ISTAX / VIMSX | |
| Total Expense Ratio | 1.44 | 0.17 | 847% |
| Annual Report Gross Expense Ratio | 1.44 | 0.17 | 847% |
| Fund Existence | 20 years | 28 years | - |
| Gain YTD | 9.854 | 2.272 | 434% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 3000 | 33% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 52.9M | 199B | 0% |
| Annual Yield % from dividends | 0.57 | 1.37 | 42% |
| Returns for 1 year | 10.40 | 8.23 | 126% |
| Returns for 3 years | 8.11 | 33.97 | 24% |
| Returns for 5 years | -18.15 | 38.77 | -47% |
| Returns for 10 years | 83.67 | 180.15 | 46% |