| IVPSX | NAESX | IVPSX / NAESX | |
| Total Expense Ratio | 1.12 | 0.17 | 659% |
| Annual Report Gross Expense Ratio | 1.27 | 0.17 | 747% |
| Fund Existence | 25 years | 66 years | - |
| Gain YTD | 9.730 | 15.738 | 62% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 215M | 189B | 0% |
| Annual Yield % from dividends | 0.00 | 1.07 | - |
| Returns for 1 year | 21.37 | 23.34 | 92% |
| Returns for 3 years | 17.25 | 48.12 | 36% |
| Returns for 5 years | -20.71 | 38.39 | -54% |
| Returns for 10 years | -17.16 | 157.36 | -11% |