Boone Bank & Trust Co.
Boone, IA — Non-member Bank
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Net Interest Margin Over Time
| Net Interest Margin | Boone Bank & Trust Co. | All Insured Commercial Banks in Iowa |
| 12-31-2016 | 3.53 | 3.587 |
| 09-30-2016 | 3.576 | 3.602 |
| 06-30-2016 | 3.597 | 3.598 |
| 03-31-2016 | 3.714 | 3.601 |
| 12-31-2015 | 3.562 | 3.591 |
| 09-30-2015 | 3.574 | 3.588 |
| 06-30-2015 | 3.58 | 3.563 |
| 03-31-2015 | 3.627 | 3.541 |
| 12-31-2014 | 3.699 | 3.569 |
| 09-30-2014 | 3.757 | 3.552 |
| 06-30-2014 | 3.623 | 3.525 |
| 03-31-2014 | 3.648 | 3.52 |
| 12-31-2013 | 3.468 | 3.538 |
| 09-30-2013 | 3.433 | 3.526 |
| 06-30-2013 | 3.424 | 3.501 |
| 03-31-2013 | 3.494 | 3.488 |
| 12-31-2012 | 3.702 | 3.696 |
| 09-30-2012 | 3.756 | 3.722 |
| 06-30-2012 | 3.833 | 3.729 |
| 03-31-2012 | 3.969 | 3.767 |
| 12-31-2011 | 4.163 | 3.861 |
| 09-30-2011 | 4.173 | 3.865 |
| 06-30-2011 | 4.181 | 3.833 |
| 03-31-2011 | 4.281 | 3.808 |
| 12-31-2010 | 4.364 | 3.947 |
| 09-30-2010 | 4.377 | 3.957 |
| 06-30-2010 | 4.358 | 3.936 |
| 03-31-2010 | 4.315 | 3.922 |
| 12-31-2009 | 4.181 | 3.845 |
| 09-30-2009 | 4.128 | 3.829 |
| 06-30-2009 | 4.093 | 3.787 |
| 03-31-2009 | 4.308 | 3.796 |
| 12-31-2008 | 4.289 | 3.764 |
| 09-30-2008 | 4.203 | 3.732 |
| 06-30-2008 | 4.097 | 3.664 |
| 03-31-2008 | 4.171 | 3.658 |
| 12-31-2007 | 3.974 | 3.674 |
| 09-30-2007 | 3.925 | 3.667 |
| 06-30-2007 | 3.869 | 3.654 |
| 03-31-2007 | 3.855 | 3.624 |
| 12-31-2006 | 3.948 | 3.746 |
| 09-30-2006 | 3.955 | 3.762 |
| 06-30-2006 | 3.973 | 3.771 |
| 03-31-2006 | 3.982 | 3.763 |
| 12-31-2005 | 4.201 | 3.863 |
| 09-30-2005 | 4.198 | 3.877 |
| 06-30-2005 | 4.195 | 3.881 |
| 03-31-2005 | 4.278 | 3.865 |
| 12-31-2004 | 4.508 | 3.919 |
| 09-30-2004 | 4.526 | 3.912 |
| 06-30-2004 | 4.547 | 3.877 |
| 03-31-2004 | 4.698 | 3.885 |
| 12-31-2003 | 4.523 | 3.893 |
| 09-30-2003 | 4.494 | 3.9 |
| 06-30-2003 | 4.429 | 3.885 |
| 03-31-2003 | 4.674 | 3.897 |
| 12-31-2002 | 4.82 | 4.074 |