| FXAIX | NSBFX | FXAIX / NSBFX | |
| Total Expense Ratio | 0.01 | 0.61 | 2% |
| Annual Report Gross Expense Ratio | 0.01 | 0.61 | 2% |
| Fund Existence | 15 years | 13 years | - |
| Gain YTD | 11.350 | 1.350 | 841% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 1000000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 828B | 6.36B | 13,013% |
| Annual Yield % from dividends | 1.04 | 1.07 | 97% |
| Returns for 1 year | 22.46 | -1.94 | -1,158% |
| Returns for 3 years | 74.97 | 20.88 | 359% |
| Returns for 5 years | 85.95 | 25.32 | 339% |
| Returns for 10 years | 288.22 | 97.10 | 297% |