| 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 | 18.942 | 2.818 | 672% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 1000000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 739B | 6.64B | 11,123% |
| Annual Yield % from dividends | 1.11 | 1.06 | 104% |
| Returns for 1 year | 15.86 | 0.76 | 2,086% |
| Returns for 3 years | 87.58 | 28.40 | 308% |
| Returns for 5 years | 100.72 | 45.02 | 224% |
| Returns for 10 years | 271.79 | 108.46 | 251% |