| 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 | 9.616 | 11.660 | 82% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 163B | 2.31B | 7,056% |
| Annual Yield % from dividends | 1.21 | 0.19 | 623% |
| Returns for 1 year | 7.55 | 9.62 | 78% |
| Returns for 3 years | 45.02 | 32.78 | 137% |
| Returns for 5 years | 36.08 | 16.46 | 219% |
| Returns for 10 years | 141.47 | 53.09 | 266% |