| BSIKX | NTBCX | BSIKX / NTBCX | |
| Total Expense Ratio | 0.63 | 2.03 | 31% |
| Annual Report Gross Expense Ratio | 0.64 | 2.05 | 31% |
| Fund Existence | 10 years | 12 years | - |
| Gain YTD | 1.919 | 1.225 | 157% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 5000000 | 5000 | 100,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 48.5B | 7.19B | 675% |
| Annual Yield % from dividends | 4.78 | 3.08 | 155% |
| Returns for 1 year | 5.69 | 4.43 | 129% |
| Returns for 3 years | 21.90 | 13.84 | 158% |
| Returns for 5 years | 15.71 | 4.55 | 345% |
| Returns for 10 years | 44.29 | 21.88 | 202% |