| NTBIX | WCFRX | NTBIX / WCFRX | |
| Total Expense Ratio | 1.03 | 1.66 | 62% |
| Annual Report Gross Expense Ratio | 1.05 | 1.66 | 63% |
| Fund Existence | 12 years | 9 years | - |
| Gain YTD | 1.748 | 1.449 | 121% |
| Front Load | N/A | 6% | - |
| Min. Initial Investment | 25000 | 2500 | 1,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.19B | 82.7M | 8,694% |
| Annual Yield % from dividends | 4.11 | 6.80 | 60% |
| Returns for 1 year | 5.40 | 2.35 | 230% |
| Returns for 3 years | 17.20 | 16.02 | 107% |
| Returns for 5 years | 9.81 | 4.09 | 240% |
| Returns for 10 years | 34.49 | N/A | - |