Washington State Bank
Washington, IA — State Member Bank
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Net Interest Margin Over Time
| Net Interest Margin | Washington State Bank | All Insured Commercial Banks in Iowa |
| 09-30-2016 | 3.935 | 3.602 |
| 06-30-2016 | 3.987 | 3.598 |
| 03-31-2016 | 3.658 | 3.601 |
| 12-31-2015 | 3.442 | 3.591 |
| 09-30-2015 | 3.445 | 3.588 |
| 06-30-2015 | 3.4 | 3.563 |
| 03-31-2015 | 3.461 | 3.541 |
| 12-31-2014 | 3.322 | 3.569 |
| 09-30-2014 | 3.276 | 3.552 |
| 06-30-2014 | 3.255 | 3.525 |
| 03-31-2014 | 3.267 | 3.52 |
| 12-31-2013 | 3.281 | 3.538 |
| 09-30-2013 | 3.309 | 3.526 |
| 06-30-2013 | 3.31 | 3.501 |
| 03-31-2013 | 3.366 | 3.488 |
| 12-31-2012 | 3.574 | 3.696 |
| 09-30-2012 | 3.619 | 3.722 |
| 06-30-2012 | 3.646 | 3.729 |
| 03-31-2012 | 3.74 | 3.767 |
| 12-31-2011 | 3.673 | 3.861 |
| 09-30-2011 | 3.649 | 3.865 |
| 06-30-2011 | 3.616 | 3.833 |
| 03-31-2011 | 3.632 | 3.808 |
| 12-31-2010 | 3.748 | 3.947 |
| 09-30-2010 | 3.752 | 3.957 |
| 06-30-2010 | 3.683 | 3.936 |
| 03-31-2010 | 3.605 | 3.922 |
| 12-31-2009 | 3.618 | 3.845 |
| 09-30-2009 | 3.625 | 3.829 |
| 06-30-2009 | 3.8 | 3.787 |
| 03-31-2009 | 3.846 | 3.796 |
| 12-31-2008 | 3.725 | 3.764 |
| 09-30-2008 | 3.657 | 3.732 |
| 06-30-2008 | 3.585 | 3.664 |
| 03-31-2008 | 3.55 | 3.658 |
| 12-31-2007 | 3.378 | 3.674 |
| 09-30-2007 | 3.312 | 3.667 |
| 06-30-2007 | 3.322 | 3.654 |
| 03-31-2007 | 3.245 | 3.624 |
| 12-31-2006 | 3.483 | 3.746 |
| 09-30-2006 | 3.495 | 3.762 |
| 06-30-2006 | 3.53 | 3.771 |
| 03-31-2006 | 3.59 | 3.763 |
| 12-31-2005 | 3.793 | 3.863 |
| 09-30-2005 | 3.811 | 3.877 |
| 06-30-2005 | 3.851 | 3.881 |
| 03-31-2005 | 3.933 | 3.865 |
| 12-31-2004 | 4.109 | 3.919 |
| 09-30-2004 | 4.193 | 3.912 |
| 06-30-2004 | 4.246 | 3.877 |
| 03-31-2004 | 4.247 | 3.885 |
| 12-31-2003 | 3.729 | 3.893 |
| 09-30-2003 | 3.589 | 3.9 |
| 06-30-2003 | 3.514 | 3.885 |
| 03-31-2003 | 3.401 | 3.897 |
| 12-31-2002 | 3.986 | 4.074 |