| CSZIX | NBRIX | CSZIX / NBRIX | |
| Total Expense Ratio | 0.75 | 0.85 | 88% |
| Annual Report Gross Expense Ratio | 0.75 | 1.03 | 73% |
| Fund Existence | 12 years | 18 years | - |
| Gain YTD | 15.143 | 15.173 | 100% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 1000000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 9.61B | 609M | 1,578% |
| Annual Yield % from dividends | 2.76 | 1.83 | 151% |
| Returns for 1 year | 14.24 | 12.91 | 110% |
| Returns for 3 years | 32.82 | 25.68 | 128% |
| Returns for 5 years | 12.88 | -4.16 | -310% |
| Returns for 10 years | 65.31 | 21.82 | 299% |