| NAESX | ZSCIX | NAESX / ZSCIX | |
| Total Expense Ratio | 0.17 | 1.15 | 15% |
| Annual Report Gross Expense Ratio | 0.17 | 1.51 | 11% |
| Fund Existence | 66 years | 12 years | - |
| Gain YTD | 13.680 | 17.122 | 80% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 5000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 177B | 34.1M | 519,062% |
| Annual Yield % from dividends | 1.08 | 0.00 | - |
| Returns for 1 year | 28.95 | 35.67 | 81% |
| Returns for 3 years | 54.86 | 27.55 | 199% |
| Returns for 5 years | 33.38 | 23.52 | 142% |
| Returns for 10 years | 160.50 | 77.17 | 208% |