| NAESX | PSSMX | NAESX / PSSMX | |
| Total Expense Ratio | 0.17 | 0.73 | 23% |
| Annual Report Gross Expense Ratio | 0.17 | 0.73 | 23% |
| Fund Existence | 66 years | 26 years | - |
| Gain YTD | 15.348 | 19.302 | 80% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 183B | 1.38B | 13,309% |
| Annual Yield % from dividends | 1.08 | 0.66 | 165% |
| Returns for 1 year | 27.66 | 24.66 | 112% |
| Returns for 3 years | 57.38 | 27.99 | 205% |
| Returns for 5 years | 33.59 | -7.31 | -459% |
| Returns for 10 years | 172.93 | 42.37 | 408% |