| NTBCX | NTBIX | NTBCX / NTBIX | |
| Total Expense Ratio | 2.07 | 1.07 | 193% |
| Annual Report Gross Expense Ratio | 2.09 | 1.09 | 192% |
| Fund Existence | 12 years | 12 years | - |
| Gain YTD | 1.081 | 1.955 | 55% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 5000 | 25000 | 20% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.56B | 7.56B | 100% |
| Annual Yield % from dividends | 4.66 | 5.68 | 82% |
| Returns for 1 year | 1.66 | 2.59 | 64% |
| Returns for 3 years | 19.27 | 22.88 | 84% |
| Returns for 5 years | 4.43 | 9.69 | 46% |
| Returns for 10 years | 31.26 | 44.88 | 70% |