| NTBIX | PFIUX | NTBIX / PFIUX | |
| Total Expense Ratio | 1.07 | 0.79 | 135% |
| Annual Report Gross Expense Ratio | 1.09 | 0.84 | 130% |
| Fund Existence | 12 years | 17 years | - |
| Gain YTD | 2.165 | 7.783 | 28% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 25000 | 1000000 | 3% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.57B | 2.55B | 297% |
| Annual Yield % from dividends | 5.68 | 4.90 | 116% |
| Returns for 1 year | 2.80 | 9.36 | 30% |
| Returns for 3 years | 23.14 | 26.22 | 88% |
| Returns for 5 years | 9.92 | 18.24 | 54% |
| Returns for 10 years | 45.18 | 47.65 | 95% |