| 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 | 6.847 | 15.738 | 44% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 401M | 189B | 0% |
| Annual Yield % from dividends | 1.27 | 1.07 | 119% |
| Returns for 1 year | 19.36 | 23.34 | 83% |
| Returns for 3 years | 16.62 | 48.12 | 35% |
| Returns for 5 years | -9.37 | 38.39 | -24% |
| Returns for 10 years | 25.40 | 157.36 | 16% |