| 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 | 6.075 | -4.735 | -128% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 250 | 100000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 172B | 356M | 48,315% |
| Annual Yield % from dividends | 0.33 | 0.73 | 45% |
| Returns for 1 year | 12.12 | -3.76 | -323% |
| Returns for 3 years | 37.44 | 23.37 | 160% |
| Returns for 5 years | 11.16 | 18.21 | 61% |
| Returns for 10 years | 111.02 | N/A | - |