| NAESX | PRVIX | NAESX / PRVIX | |
| Total Expense Ratio | 0.17 | 0.67 | 25% |
| Annual Report Gross Expense Ratio | 0.17 | 0.67 | 25% |
| Fund Existence | 66 years | 11 years | - |
| Gain YTD | 12.982 | 15.968 | 81% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 500000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 185B | 9.56B | 1,935% |
| Annual Yield % from dividends | 1.09 | 0.86 | 127% |
| Returns for 1 year | 13.09 | 6.47 | 202% |
| Returns for 3 years | 49.57 | 23.99 | 207% |
| Returns for 5 years | 32.77 | -1.96 | -1,672% |
| Returns for 10 years | 152.60 | 55.29 | 276% |