| NAESX | NESIX | NAESX / NESIX | |
| Total Expense Ratio | 0.17 | 1.19 | 14% |
| Annual Report Gross Expense Ratio | 0.17 | 1.51 | 11% |
| Fund Existence | 65 years | 9 years | - |
| Gain YTD | 9.833 | 13.851 | 71% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 100000 | 3% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 163B | 156M | 104,487% |
| Annual Yield % from dividends | 1.21 | 0.00 | - |
| Returns for 1 year | 8.22 | 12.03 | 68% |
| Returns for 3 years | 44.83 | 40.25 | 111% |
| Returns for 5 years | 36.35 | -16.89 | -215% |
| Returns for 10 years | 143.16 | N/A | - |