| 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 | 15.734 | 16.691 | 94% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 250 | 2500 | 10% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 159B | 7.29B | 2,181% |
| Annual Yield % from dividends | 0.00 | 0.06 | - |
| Returns for 1 year | 10.60 | 10.25 | 103% |
| Returns for 3 years | 43.13 | 58.02 | 74% |
| Returns for 5 years | 22.04 | 14.41 | 153% |
| Returns for 10 years | 78.42 | 170.87 | 46% |