First National Bank, Ames, Iowa
Ames, IA — National Bank
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Net Interest Margin Over Time
| Net Interest Margin | First National Bank, Ames, Iowa | All Insured Commercial Banks in Iowa |
| 12-31-2016 | 3.135 | 3.587 |
| 09-30-2016 | 3.141 | 3.602 |
| 06-30-2016 | 3.143 | 3.598 |
| 03-31-2016 | 3.144 | 3.601 |
| 12-31-2015 | 3.124 | 3.591 |
| 09-30-2015 | 3.104 | 3.588 |
| 06-30-2015 | 3.079 | 3.563 |
| 03-31-2015 | 3.034 | 3.541 |
| 12-31-2014 | 3.038 | 3.569 |
| 09-30-2014 | 2.991 | 3.552 |
| 06-30-2014 | 2.987 | 3.525 |
| 03-31-2014 | 2.966 | 3.52 |
| 12-31-2013 | 2.891 | 3.538 |
| 09-30-2013 | 2.885 | 3.526 |
| 06-30-2013 | 2.827 | 3.501 |
| 03-31-2013 | 2.894 | 3.488 |
| 12-31-2012 | 3.09 | 3.696 |
| 09-30-2012 | 3.121 | 3.722 |
| 06-30-2012 | 3.135 | 3.729 |
| 03-31-2012 | 3.135 | 3.767 |
| 12-31-2011 | 3.41 | 3.861 |
| 09-30-2011 | 3.427 | 3.865 |
| 06-30-2011 | 3.377 | 3.833 |
| 03-31-2011 | 3.268 | 3.808 |
| 12-31-2010 | 3.422 | 3.947 |
| 09-30-2010 | 3.48 | 3.957 |
| 06-30-2010 | 3.473 | 3.936 |
| 03-31-2010 | 3.554 | 3.922 |
| 12-31-2009 | 3.575 | 3.845 |
| 09-30-2009 | 3.61 | 3.829 |
| 06-30-2009 | 3.623 | 3.787 |
| 03-31-2009 | 3.719 | 3.796 |
| 12-31-2008 | 3.909 | 3.764 |
| 09-30-2008 | 3.934 | 3.732 |
| 06-30-2008 | 3.8 | 3.664 |
| 03-31-2008 | 3.744 | 3.658 |
| 12-31-2007 | 3.176 | 3.674 |
| 09-30-2007 | 3.104 | 3.667 |
| 06-30-2007 | 3.105 | 3.654 |
| 03-31-2007 | 3.097 | 3.624 |
| 12-31-2006 | 3.143 | 3.746 |
| 09-30-2006 | 3.161 | 3.762 |
| 06-30-2006 | 3.192 | 3.771 |
| 03-31-2006 | 3.252 | 3.763 |
| 12-31-2005 | 3.519 | 3.863 |
| 09-30-2005 | 3.567 | 3.877 |
| 06-30-2005 | 3.538 | 3.881 |
| 03-31-2005 | 3.611 | 3.865 |
| 12-31-2004 | 3.985 | 3.919 |
| 09-30-2004 | 3.999 | 3.912 |
| 06-30-2004 | 4.021 | 3.877 |
| 03-31-2004 | 4.057 | 3.885 |
| 12-31-2003 | 3.94 | 3.893 |
| 09-30-2003 | 3.899 | 3.9 |
| 06-30-2003 | 3.803 | 3.885 |
| 03-31-2003 | 3.955 | 3.897 |
| 12-31-2002 | 4.212 | 4.074 |