| NAESX | PRSVX | NAESX / PRSVX | |
| Total Expense Ratio | 0.17 | 0.77 | 22% |
| Annual Report Gross Expense Ratio | 0.17 | 0.77 | 22% |
| Fund Existence | 65 years | 38 years | - |
| Gain YTD | 9.616 | -1.288 | -746% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 2500 | 120% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 163B | 9.19B | 1,773% |
| Annual Yield % from dividends | 1.21 | 0.77 | 157% |
| Returns for 1 year | 7.55 | -2.69 | -281% |
| Returns for 3 years | 45.02 | 10.29 | 437% |
| Returns for 5 years | 36.08 | 0.40 | 9,023% |
| Returns for 10 years | 141.47 | 46.23 | 306% |