| IIRSX | NAESX | IIRSX / NAESX | |
| Total Expense Ratio | 0.43 | 0.17 | 253% |
| Annual Report Gross Expense Ratio | 0.61 | 0.17 | 359% |
| Fund Existence | 18 years | 66 years | - |
| Gain YTD | 7.434 | 18.339 | 41% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 400M | 183B | 0% |
| Annual Yield % from dividends | 1.31 | 1.10 | 119% |
| Returns for 1 year | 17.83 | 24.75 | 72% |
| Returns for 3 years | 22.23 | 58.17 | 38% |
| Returns for 5 years | -7.49 | 42.07 | -18% |
| Returns for 10 years | 21.65 | 156.41 | 14% |