| NAESX | SKSIX | NAESX / SKSIX | |
| Total Expense Ratio | 0.17 | 0.95 | 18% |
| Annual Report Gross Expense Ratio | 0.17 | 1.00 | 17% |
| Fund Existence | 66 years | 10 years | - |
| Gain YTD | 18.339 | 26.207 | 70% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 100000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 183B | 234M | 78,205% |
| Annual Yield % from dividends | 1.10 | 0.64 | 171% |
| Returns for 1 year | 24.75 | 23.07 | 107% |
| Returns for 3 years | 58.17 | 37.35 | 156% |
| Returns for 5 years | 42.07 | 30.18 | 139% |
| Returns for 10 years | 156.41 | N/A | - |