| NBMLX | PMBPX | NBMLX / PMBPX | |
| Total Expense Ratio | 0.69 | 0.83 | 83% |
| Annual Report Gross Expense Ratio | 0.69 | 0.83 | 83% |
| Fund Existence | 19 years | 25 years | - |
| Gain YTD | 11.661 | 2.922 | 399% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2B | 32B | 6% |
| Annual Yield % from dividends | 0.00 | 0.01 | - |
| Returns for 1 year | -1.95 | -4.82 | 41% |
| Returns for 3 years | 33.37 | 34.82 | 96% |
| Returns for 5 years | -4.47 | 31.53 | -14% |
| Returns for 10 years | 38.96 | 106.99 | 36% |