| IIRSX | NAESX | IIRSX / NAESX | |
| Total Expense Ratio | 0.43 | 0.17 | 253% |
| Annual Report Gross Expense Ratio | 0.61 | 0.17 | 359% |
| Fund Existence | 19 years | 66 years | - |
| Gain YTD | 3.843 | 12.982 | 30% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 383M | 185B | 0% |
| Annual Yield % from dividends | 1.30 | 1.09 | 119% |
| Returns for 1 year | 6.86 | 13.09 | 52% |
| Returns for 3 years | 17.76 | 49.57 | 36% |
| Returns for 5 years | -12.98 | 32.77 | -40% |
| Returns for 10 years | 21.04 | 152.60 | 14% |