| 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 | 16.678 | 22.236 | 75% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 183B | 1.37B | 13,407% |
| Annual Yield % from dividends | 1.07 | 1.02 | 106% |
| Returns for 1 year | 23.82 | 20.68 | 115% |
| Returns for 3 years | 54.05 | 25.95 | 208% |
| Returns for 5 years | 37.14 | -4.27 | -870% |
| Returns for 10 years | 164.33 | 46.30 | 355% |