| NPHIX | RITFX | NPHIX / RITFX | |
| Total Expense Ratio | 0.58 | 0.38 | 153% |
| Annual Report Gross Expense Ratio | 0.58 | 0.38 | 153% |
| Fund Existence | 13 years | 24 years | - |
| Gain YTD | 6.666 | 6.586 | 101% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 250 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.87B | 26B | 7% |
| Annual Yield % from dividends | 6.69 | 6.62 | 101% |
| Returns for 1 year | 7.01 | 7.14 | 98% |
| Returns for 3 years | 31.33 | 32.65 | 96% |
| Returns for 5 years | 26.34 | 35.10 | 75% |
| Returns for 10 years | 78.25 | 88.04 | 89% |