| IOGPX | NPFFX | IOGPX / NPFFX | |
| Total Expense Ratio | 1.21 | 0.77 | 157% |
| Annual Report Gross Expense Ratio | 1.33 | 0.77 | 173% |
| Fund Existence | 17 years | 25 years | - |
| Gain YTD | -13.151 | 7.230 | -182% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 250 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 978M | 164B | 1% |
| Annual Yield % from dividends | 0.73 | 0.92 | 79% |
| Returns for 1 year | -8.19 | 13.87 | -59% |
| Returns for 3 years | -59.28 | 44.15 | -134% |
| Returns for 5 years | -71.68 | 19.26 | -372% |
| Returns for 10 years | -57.32 | 115.15 | -50% |