| NPFCX | PRGSX | NPFCX / PRGSX | |
| Total Expense Ratio | 1.48 | 0.80 | 185% |
| Annual Report Gross Expense Ratio | 1.48 | 0.80 | 185% |
| Fund Existence | 25 years | 30 years | - |
| Gain YTD | 2.198 | 3.669 | 60% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 250 | 2500 | 10% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 163B | 7.4B | 2,204% |
| Annual Yield % from dividends | 0.35 | 0.15 | 237% |
| Returns for 1 year | 16.81 | 14.48 | 116% |
| Returns for 3 years | 42.54 | 48.72 | 87% |
| Returns for 5 years | 14.93 | 8.65 | 173% |
| Returns for 10 years | 114.03 | 203.18 | 56% |