| 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 | 1.435 | 2.168 | 66% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 5000 | 25000 | 20% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.14B | 7.14B | 100% |
| Annual Yield % from dividends | 3.09 | 4.12 | 75% |
| Returns for 1 year | 4.10 | 5.18 | 79% |
| Returns for 3 years | 14.91 | 18.41 | 81% |
| Returns for 5 years | 5.06 | 10.46 | 48% |
| Returns for 10 years | 20.62 | 33.24 | 62% |