| NPHIX | RITFX | NPHIX / RITFX | |
| Total Expense Ratio | 0.58 | 0.42 | 138% |
| Annual Report Gross Expense Ratio | 0.58 | 0.42 | 138% |
| Fund Existence | 13 years | 24 years | - |
| Gain YTD | 0.567 | 0.446 | 127% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 250 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.91B | 26.7B | 7% |
| Annual Yield % from dividends | 6.66 | 6.60 | 101% |
| Returns for 1 year | 7.50 | 7.09 | 106% |
| Returns for 3 years | 26.59 | 28.99 | 92% |
| Returns for 5 years | 23.07 | 30.09 | 77% |
| Returns for 10 years | 92.19 | 101.77 | 91% |