| NAESX | PSSPX | NAESX / PSSPX | |
| Total Expense Ratio | 0.17 | 0.42 | 40% |
| Annual Report Gross Expense Ratio | 0.17 | 0.42 | 40% |
| Fund Existence | 65 years | 25 years | - |
| Gain YTD | 6.726 | 4.549 | 148% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 162B | 1.23B | 13,149% |
| Annual Yield % from dividends | 1.22 | 0.96 | 127% |
| Returns for 1 year | 1.42 | -8.88 | -16% |
| Returns for 3 years | 33.14 | 1.00 | 3,325% |
| Returns for 5 years | 48.22 | 16.37 | 295% |
| Returns for 10 years | 137.58 | 28.40 | 484% |