| NAESX | PSBPX | NAESX / PSBPX | |
| Total Expense Ratio | 0.17 | 1.00 | 17% |
| Annual Report Gross Expense Ratio | 0.17 | 1.00 | 17% |
| Fund Existence | 65 years | 25 years | - |
| Gain YTD | 5.519 | 6.146 | 90% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 162B | 2.33B | 6,968% |
| Annual Yield % from dividends | 1.16 | 0.04 | 3,263% |
| Returns for 1 year | 10.68 | 12.79 | 84% |
| Returns for 3 years | 33.00 | 21.67 | 152% |
| Returns for 5 years | 31.77 | 11.60 | 274% |
| Returns for 10 years | 185.98 | 89.24 | 208% |