| 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 | 1.225 | 1.748 | 70% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 5000 | 25000 | 20% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.19B | 7.19B | 100% |
| Annual Yield % from dividends | 3.08 | 4.11 | 75% |
| Returns for 1 year | 4.43 | 5.40 | 82% |
| Returns for 3 years | 13.84 | 17.20 | 80% |
| Returns for 5 years | 4.55 | 9.81 | 46% |
| Returns for 10 years | 21.88 | 34.49 | 63% |