| 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 | 18.359 | 19.332 | 95% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 250 | 2500 | 10% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 163B | 7.41B | 2,201% |
| Annual Yield % from dividends | 0.00 | 0.06 | - |
| Returns for 1 year | 10.43 | 8.93 | 117% |
| Returns for 3 years | 41.03 | 57.04 | 72% |
| Returns for 5 years | 19.80 | 12.25 | 162% |
| Returns for 10 years | 82.56 | 175.30 | 47% |