| NAESX | PSSMX | NAESX / PSSMX | |
| Total Expense Ratio | 0.17 | 0.73 | 23% |
| Annual Report Gross Expense Ratio | 0.17 | 0.73 | 23% |
| Fund Existence | 65 years | 25 years | - |
| Gain YTD | 9.833 | -1.731 | -568% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 163B | 1.25B | 13,030% |
| Annual Yield % from dividends | 1.21 | 0.67 | 180% |
| Returns for 1 year | 8.22 | -3.04 | -270% |
| Returns for 3 years | 44.83 | 10.24 | 438% |
| Returns for 5 years | 36.35 | -3.60 | -1,009% |
| Returns for 10 years | 143.16 | 23.27 | 615% |