| NPRTX | RMFEX | NPRTX / RMFEX | |
| Total Expense Ratio | 0.75 | 0.62 | 121% |
| Annual Report Gross Expense Ratio | 0.75 | 0.62 | 121% |
| Fund Existence | 51 years | 24 years | - |
| Gain YTD | 18.019 | 5.987 | 301% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 250 | 400% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 9.9B | 115B | 9% |
| Annual Yield % from dividends | 1.30 | 1.45 | 90% |
| Returns for 1 year | 30.96 | 10.46 | 296% |
| Returns for 3 years | 52.75 | 35.96 | 147% |
| Returns for 5 years | 41.63 | 35.97 | 116% |
| Returns for 10 years | 161.00 | 99.50 | 162% |