| NAESX | SIVIX | NAESX / SIVIX | |
| Total Expense Ratio | 0.17 | 0.75 | 23% |
| Annual Report Gross Expense Ratio | 0.17 | 0.89 | 19% |
| Fund Existence | 65 years | 27 years | - |
| Gain YTD | 7.092 | 0.175 | 4,059% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 10000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 162B | 510M | 31,765% |
| Annual Yield % from dividends | 1.21 | 0.84 | 143% |
| Returns for 1 year | -0.86 | -15.51 | 6% |
| Returns for 3 years | 32.07 | -3.27 | -981% |
| Returns for 5 years | 40.97 | -6.96 | -589% |
| Returns for 10 years | 131.34 | -3.72 | -3,531% |