| 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 | 10.128 | 2.670 | 379% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 1000000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 833B | 6.34B | 13,137% |
| Annual Yield % from dividends | 1.06 | 1.04 | 102% |
| Returns for 1 year | 19.55 | -0.46 | -4,223% |
| Returns for 3 years | 70.29 | 19.97 | 352% |
| Returns for 5 years | 82.96 | 26.48 | 313% |
| Returns for 10 years | 284.67 | 100.12 | 284% |