| IGIIX | NPFFX | IGIIX / NPFFX | |
| Total Expense Ratio | 0.85 | 0.78 | 109% |
| Annual Report Gross Expense Ratio | 1.06 | 0.78 | 136% |
| Fund Existence | 19 years | 25 years | - |
| Gain YTD | 14.228 | 15.000 | 95% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 250 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 871M | 159B | 1% |
| Annual Yield % from dividends | 0.23 | 0.43 | 53% |
| Returns for 1 year | 9.53 | 10.31 | 92% |
| Returns for 3 years | -14.25 | 45.57 | -31% |
| Returns for 5 years | -20.83 | 25.34 | -82% |
| Returns for 10 years | 1.63 | 85.61 | 2% |