| NAESX | PSSIX | NAESX / PSSIX | |
| Total Expense Ratio | 0.17 | 0.21 | 81% |
| Annual Report Gross Expense Ratio | 0.17 | 0.25 | 68% |
| Fund Existence | 66 years | 26 years | - |
| Gain YTD | 16.451 | 20.894 | 79% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 185B | 1.28B | 14,431% |
| Annual Yield % from dividends | 1.09 | 1.04 | 105% |
| Returns for 1 year | 18.54 | 13.04 | 142% |
| Returns for 3 years | 52.30 | 26.45 | 198% |
| Returns for 5 years | 33.18 | -5.46 | -608% |
| Returns for 10 years | 151.38 | 34.88 | 434% |