| NAESX | PSSIX | NAESX / PSSIX | |
| Total Expense Ratio | 0.17 | 0.21 | 81% |
| Annual Report Gross Expense Ratio | 0.17 | 0.25 | 68% |
| Fund Existence | 65 years | 25 years | - |
| Gain YTD | 5.519 | 6.667 | 83% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 162B | 1.29B | 12,529% |
| Annual Yield % from dividends | 1.16 | 1.18 | 99% |
| Returns for 1 year | 10.68 | 1.99 | 536% |
| Returns for 3 years | 33.00 | 3.38 | 975% |
| Returns for 5 years | 31.77 | -7.40 | -429% |
| Returns for 10 years | 185.98 | 50.62 | 367% |