| NAESX | PRVIX | NAESX / PRVIX | |
| Total Expense Ratio | 0.17 | 0.66 | 26% |
| Annual Report Gross Expense Ratio | 0.17 | 0.66 | 26% |
| Fund Existence | 65 years | 10 years | - |
| Gain YTD | 5.551 | 7.857 | 71% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 500000 | 1% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 162B | 9.04B | 1,792% |
| Annual Yield % from dividends | 1.16 | 0.95 | 122% |
| Returns for 1 year | 9.85 | 3.25 | 303% |
| Returns for 3 years | 33.04 | 5.25 | 629% |
| Returns for 5 years | 30.43 | 1.32 | 2,307% |
| Returns for 10 years | 186.07 | 75.41 | 247% |