| NBMLX | PMBJX | NBMLX / PMBJX | |
| Total Expense Ratio | 0.69 | 0.78 | 88% |
| Annual Report Gross Expense Ratio | 0.69 | 0.78 | 88% |
| Fund Existence | 19 years | 25 years | - |
| Gain YTD | -11.553 | -2.916 | 396% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 1000 | 100,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2B | 31.2B | 6% |
| Annual Yield % from dividends | 0.00 | 0.06 | - |
| Returns for 1 year | -14.64 | -4.84 | 303% |
| Returns for 3 years | 16.44 | 38.42 | 43% |
| Returns for 5 years | -25.11 | 19.01 | -132% |
| Returns for 10 years | 17.98 | 99.70 | 18% |