| NBMLX | PMBJX | NBMLX / PMBJX | |
| Total Expense Ratio | 0.68 | 0.76 | 89% |
| Annual Report Gross Expense Ratio | 0.68 | 0.76 | 89% |
| Fund Existence | 19 years | 25 years | - |
| Gain YTD | 11.323 | -6.008 | -188% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 1000 | 100,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.27B | 23.7B | 10% |
| Annual Yield % from dividends | 0.00 | 0.00 | - |
| Returns for 1 year | -9.48 | -12.50 | 76% |
| Returns for 3 years | 15.36 | 14.19 | 108% |
| Returns for 5 years | -23.90 | -3.09 | 773% |
| Returns for 10 years | 35.58 | 83.89 | 42% |