| NPFCX | ZGFAX | NPFCX / ZGFAX | |
| Total Expense Ratio | 1.47 | 0.86 | 171% |
| Annual Report Gross Expense Ratio | 1.47 | 0.86 | 171% |
| Fund Existence | 25 years | 8 years | - |
| Gain YTD | 7.037 | -3.746 | -188% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 250 | 100000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 164B | 405M | 40,494% |
| Annual Yield % from dividends | 0.33 | 0.73 | 45% |
| Returns for 1 year | 12.77 | -4.35 | -293% |
| Returns for 3 years | 40.04 | 25.32 | 158% |
| Returns for 5 years | 13.27 | 21.30 | 62% |
| Returns for 10 years | 103.06 | N/A | - |