| NAESX | NESIX | NAESX / NESIX | |
| Total Expense Ratio | 0.17 | 1.19 | 14% |
| Annual Report Gross Expense Ratio | 0.17 | 1.47 | 12% |
| Fund Existence | 66 years | 10 years | - |
| Gain YTD | 18.339 | 54.131 | 34% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 100000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 183B | 344M | 53,198% |
| Annual Yield % from dividends | 1.10 | 0.00 | - |
| Returns for 1 year | 24.75 | 75.25 | 33% |
| Returns for 3 years | 58.17 | 121.30 | 48% |
| Returns for 5 years | 42.07 | 12.19 | 345% |
| Returns for 10 years | 156.41 | N/A | - |