| CNGCX | NPFCX | CNGCX / NPFCX | |
| Total Expense Ratio | 1.54 | 1.48 | 104% |
| Annual Report Gross Expense Ratio | 1.54 | 1.48 | 104% |
| Fund Existence | 24 years | 25 years | - |
| Gain YTD | 27.493 | 19.309 | 142% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 250 | 250 | 100% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 43.3B | 163B | 27% |
| Annual Yield % from dividends | 0.00 | 0.00 | - |
| Returns for 1 year | 12.25 | 10.87 | 113% |
| Returns for 3 years | 64.63 | 42.16 | 153% |
| Returns for 5 years | 23.48 | 19.69 | 119% |
| Returns for 10 years | 76.85 | 84.03 | 91% |