| BRBCX | MBXIX | BRBCX / MBXIX | |
| Total Expense Ratio | 1.77 | 2.00 | 89% |
| Annual Report Gross Expense Ratio | 1.77 | 2.00 | 89% |
| Fund Existence | 33 years | 11 years | - |
| Gain YTD | 9.017 | 14.021 | 64% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 2500 | 40% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 5.95B | 10.5B | 57% |
| Annual Yield % from dividends | 0.00 | 0.00 | - |
| Returns for 1 year | 9.46 | 15.88 | 60% |
| Returns for 3 years | 26.77 | 35.49 | 75% |
| Returns for 5 years | 32.79 | 39.44 | 83% |
| Returns for 10 years | 47.22 | 93.93 | 50% |