| 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 | 10.705 | 11.409 | 94% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 1000000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 9.6B | 528M | 1,818% |
| Annual Yield % from dividends | 1.89 | 1.83 | 103% |
| Returns for 1 year | 8.62 | 7.74 | 111% |
| Returns for 3 years | 34.40 | 28.81 | 119% |
| Returns for 5 years | 6.27 | -7.97 | -79% |
| Returns for 10 years | 65.77 | 24.89 | 264% |