| 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 | 12.196 | 17.121 | 71% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 250000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 185B | 916M | 20,197% |
| Annual Yield % from dividends | 1.09 | 0.00 | - |
| Returns for 1 year | 13.55 | 14.61 | 93% |
| Returns for 3 years | 49.74 | 45.21 | 110% |
| Returns for 5 years | 31.46 | 10.38 | 303% |
| Returns for 10 years | 148.47 | 56.31 | 264% |