| NWXUX | PFISX | NWXUX / PFISX | |
| Total Expense Ratio | 0.89 | 1.04 | 86% |
| Annual Report Gross Expense Ratio | 0.97 | 1.05 | 92% |
| Fund Existence | 10 years | 10 years | - |
| Gain YTD | 15.950 | 6.598 | 242% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 304M | 301M | 101% |
| Annual Yield % from dividends | 4.73 | 2.87 | 164% |
| Returns for 1 year | 17.45 | 11.50 | 152% |
| Returns for 3 years | 65.21 | 53.74 | 121% |
| Returns for 5 years | 16.43 | 12.76 | 129% |
| Returns for 10 years | N/A | N/A | - |