| 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 | 18.339 | 25.353 | 72% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 5000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 183B | 36.3M | 504,132% |
| Annual Yield % from dividends | 1.10 | 0.00 | - |
| Returns for 1 year | 24.75 | 34.40 | 72% |
| Returns for 3 years | 58.17 | 31.44 | 185% |
| Returns for 5 years | 42.07 | 35.54 | 118% |
| Returns for 10 years | 156.41 | 80.35 | 195% |