| CNGCX | NPFCX | CNGCX / NPFCX | |
| Total Expense Ratio | 1.52 | 1.47 | 103% |
| Annual Report Gross Expense Ratio | 1.52 | 1.47 | 103% |
| Fund Existence | 25 years | 26 years | - |
| Gain YTD | 17.048 | 6.030 | 283% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 250 | 250 | 100% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 50B | 169B | 30% |
| Annual Yield % from dividends | 0.00 | 0.33 | - |
| Returns for 1 year | 12.76 | 2.83 | 451% |
| Returns for 3 years | 54.60 | 35.62 | 153% |
| Returns for 5 years | 16.23 | 6.04 | 269% |
| Returns for 10 years | 103.17 | 98.13 | 105% |