| NTBCX | NTBIX | NTBCX / NTBIX | |
| Total Expense Ratio | 2.03 | 1.03 | 197% |
| Annual Report Gross Expense Ratio | 2.05 | 1.05 | 195% |
| Fund Existence | 12 years | 12 years | - |
| Gain YTD | 1.120 | 1.585 | 71% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 5000 | 25000 | 20% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.24B | 7.24B | 100% |
| Annual Yield % from dividends | 3.53 | 4.54 | 78% |
| Returns for 1 year | 5.58 | 6.66 | 84% |
| Returns for 3 years | 14.97 | 18.43 | 81% |
| Returns for 5 years | 4.99 | 10.41 | 48% |
| Returns for 10 years | 25.16 | 38.34 | 66% |