| 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 | 25 years | - |
| Gain YTD | 20.057 | 25.528 | 79% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 183B | 1.37B | 13,338% |
| Annual Yield % from dividends | 1.10 | 1.03 | 107% |
| Returns for 1 year | 25.62 | 20.96 | 122% |
| Returns for 3 years | 56.69 | 29.24 | 194% |
| Returns for 5 years | 40.71 | -0.33 | -12,156% |
| Returns for 10 years | 163.30 | 42.89 | 381% |