| 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 | 15.738 | 21.106 | 75% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 189B | 1.35B | 13,990% |
| Annual Yield % from dividends | 1.07 | 0.61 | 175% |
| Returns for 1 year | 23.34 | 19.13 | 122% |
| Returns for 3 years | 48.12 | 22.49 | 214% |
| Returns for 5 years | 38.39 | -2.69 | -1,428% |
| Returns for 10 years | 157.36 | 35.03 | 449% |