| NSBRX | VFFSX | NSBRX / VFFSX | |
| Total Expense Ratio | 0.66 | 0.01 | 6,600% |
| Annual Report Gross Expense Ratio | 0.66 | 0.01 | 6,600% |
| Fund Existence | 20 years | 10 years | - |
| Gain YTD | 3.913 | 12.258 | 32% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 100000 | 5000000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 6.37B | 1.69T | 0% |
| Annual Yield % from dividends | 1.00 | 1.08 | 92% |
| Returns for 1 year | -0.94 | 20.51 | -5% |
| Returns for 3 years | 26.26 | 75.16 | 35% |
| Returns for 5 years | 25.63 | 73.03 | 35% |
| Returns for 10 years | 99.47 | 251.26 | 40% |