American Federal Bank
Fargo, ND — Federal Savings Bank
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Net Interest Margin Over Time
| Net Interest Margin | American Federal Bank |
| 12-31-2016 | 4.105 |
| 09-30-2016 | 4.137 |
| 06-30-2016 | 4.135 |
| 03-31-2016 | 4.214 |
| 12-31-2015 | 4.288 |
| 09-30-2015 | 4.299 |
| 06-30-2015 | 4.262 |
| 03-31-2015 | 4.152 |
| 12-31-2014 | 4.084 |
| 09-30-2014 | 4.035 |
| 06-30-2014 | 3.991 |
| 03-31-2014 | 3.892 |
| 12-31-2013 | 3.863 |
| 09-30-2013 | 3.799 |
| 06-30-2013 | 3.76 |
| 03-31-2013 | 3.737 |
| 12-31-2012 | 4.171 |
| 09-30-2012 | 4.222 |
| 06-30-2012 | 4.232 |
| 03-31-2012 | 3.894 |