| 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 | 1.288 | 10.685 | 12% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 100000 | 5000000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 6.36B | 1.67T | 0% |
| Annual Yield % from dividends | 1.03 | 1.08 | 95% |
| Returns for 1 year | -2.65 | 20.67 | -13% |
| Returns for 3 years | 21.61 | 70.99 | 30% |
| Returns for 5 years | 25.09 | 73.69 | 34% |
| Returns for 10 years | 95.70 | 252.81 | 38% |