| NAESX | PXSIX | NAESX / PXSIX | |
| Total Expense Ratio | 0.17 | 0.91 | 19% |
| Annual Report Gross Expense Ratio | 0.17 | 0.91 | 19% |
| Fund Existence | 66 years | 18 years | - |
| Gain YTD | 14.563 | 22.204 | 66% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 250000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 189B | 952M | 19,853% |
| Annual Yield % from dividends | 1.10 | 0.00 | - |
| Returns for 1 year | 22.56 | 29.11 | 77% |
| Returns for 3 years | 43.30 | 42.63 | 102% |
| Returns for 5 years | 34.95 | 16.64 | 210% |
| Returns for 10 years | 155.28 | 64.00 | 243% |