| NPFFX | RPGEX | NPFFX / RPGEX | |
| Total Expense Ratio | 0.77 | 0.91 | 85% |
| Annual Report Gross Expense Ratio | 0.77 | 0.91 | 85% |
| Fund Existence | 25 years | 18 years | - |
| Gain YTD | 9.416 | 14.467 | 65% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 250 | 2500 | 10% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 166B | 918M | 18,083% |
| Annual Yield % from dividends | 0.94 | 0.22 | 422% |
| Returns for 1 year | 8.75 | 7.83 | 112% |
| Returns for 3 years | 42.49 | 46.14 | 92% |
| Returns for 5 years | 15.00 | 3.65 | 411% |
| Returns for 10 years | 111.10 | 157.12 | 71% |