| NAESX | NSIDX | NAESX / NSIDX | |
| Total Expense Ratio | 0.17 | 0.10 | 170% |
| Annual Report Gross Expense Ratio | 0.17 | 0.16 | 106% |
| Fund Existence | 65 years | 26 years | - |
| Gain YTD | 2.218 | 6.250 | 35% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 2500 | 120% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 162B | 1.31B | 12,357% |
| Annual Yield % from dividends | 1.22 | 1.33 | 92% |
| Returns for 1 year | -0.55 | -2.15 | 26% |
| Returns for 3 years | 29.75 | 18.93 | 157% |
| Returns for 5 years | 39.03 | 9.81 | 398% |
| Returns for 10 years | 121.66 | 37.45 | 325% |