| NAESX | SSSIX | NAESX / SSSIX | |
| Total Expense Ratio | 0.17 | 1.09 | 16% |
| Annual Report Gross Expense Ratio | 0.17 | 1.09 | 16% |
| Fund Existence | 66 years | 17 years | - |
| Gain YTD | 13.680 | 9.531 | 144% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 100000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 177B | 244M | 72,541% |
| Annual Yield % from dividends | 1.08 | 0.00 | - |
| Returns for 1 year | 28.95 | 17.84 | 162% |
| Returns for 3 years | 54.86 | -4.86 | -1,129% |
| Returns for 5 years | 33.38 | -16.52 | -202% |
| Returns for 10 years | 160.50 | 35.88 | 447% |