| 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 | 7.092 | 7.560 | 94% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 100000 | 3% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 162B | 148M | 109,459% |
| Annual Yield % from dividends | 1.21 | 0.00 | - |
| Returns for 1 year | -0.86 | 2.71 | -32% |
| Returns for 3 years | 32.07 | 25.22 | 127% |
| Returns for 5 years | 40.97 | -12.40 | -331% |
| Returns for 10 years | 131.34 | N/A | - |