| 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 | 15.348 | 27.367 | 56% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 5000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 183B | 36.6M | 500,000% |
| Annual Yield % from dividends | 1.08 | 0.00 | - |
| Returns for 1 year | 27.66 | 44.50 | 62% |
| Returns for 3 years | 57.38 | 36.39 | 158% |
| Returns for 5 years | 33.59 | 33.89 | 99% |
| Returns for 10 years | 172.93 | 98.01 | 176% |