| NBPBX | VVIAX | NBPBX / VVIAX | |
| Total Expense Ratio | 1.10 | 0.05 | 2,200% |
| Annual Report Gross Expense Ratio | 1.10 | 0.05 | 2,200% |
| Fund Existence | 29 years | 25 years | - |
| Gain YTD | 20.515 | 14.171 | 145% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 3000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.66B | 216B | 4% |
| Annual Yield % from dividends | 1.49 | 2.04 | 73% |
| Returns for 1 year | 15.79 | 10.16 | 155% |
| Returns for 3 years | 28.71 | 34.53 | 83% |
| Returns for 5 years | 58.61 | 63.70 | 92% |
| Returns for 10 years | 102.78 | 139.89 | 73% |