Chelsea Groton Bank
Norwich, CT — State Savings Bank
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Net Interest Margin Over Time
| Net Interest Margin | Chelsea Groton Bank | All Insured Savings Banks in Connecticut |
| 12-31-2016 | 3.426 | 3.099 |
| 09-30-2016 | 3.346 | 3.072 |
| 06-30-2016 | 3.346 | 3.09 |
| 03-31-2016 | 3.338 | 3.106 |
| 12-31-2015 | 3.25 | 3.104 |
| 09-30-2015 | 3.217 | 3.099 |
| 06-30-2015 | 3.208 | 3.086 |
| 03-31-2015 | 3.213 | 3.071 |
| 12-31-2014 | 3.197 | 3.15 |
| 09-30-2014 | 3.186 | 3.108 |
| 06-30-2014 | 3.191 | 3.097 |
| 03-31-2014 | 3.153 | 3.128 |
| 12-31-2013 | 3.093 | 3.073 |
| 09-30-2013 | 3.077 | 3.053 |
| 06-30-2013 | 3.11 | 3.063 |
| 03-31-2013 | 3.108 | 3.06 |
| 12-31-2012 | 3.292 | 3.204 |
| 09-30-2012 | 3.331 | 3.215 |
| 06-30-2012 | 3.396 | 3.23 |
| 03-31-2012 | 3.433 | 3.252 |
| 12-31-2011 | 3.573 | 3.371 |
| 09-30-2011 | 3.615 | 3.369 |
| 06-30-2011 | 3.658 | 3.375 |
| 03-31-2011 | 3.624 | 3.35 |
| 12-31-2010 | 3.879 | 3.461 |
| 09-30-2010 | 3.944 | 3.483 |
| 06-30-2010 | 3.964 | 3.5 |
| 03-31-2010 | 3.998 | 3.514 |
| 12-31-2009 | 3.961 | 3.345 |
| 09-30-2009 | 3.927 | 3.318 |
| 06-30-2009 | 3.956 | 3.299 |
| 03-31-2009 | 3.971 | 3.332 |
| 12-31-2008 | 3.99 | 3.317 |
| 09-30-2008 | 3.972 | 3.304 |
| 06-30-2008 | 3.936 | 3.266 |
| 03-31-2008 | 3.87 | 3.206 |
| 12-31-2007 | 3.831 | 3.224 |
| 09-30-2007 | 3.804 | 3.216 |
| 06-30-2007 | 3.767 | 3.193 |
| 03-31-2007 | 3.672 | 3.179 |
| 12-31-2006 | 4.004 | 3.394 |
| 09-30-2006 | 4.036 | 3.427 |
| 06-30-2006 | 4.034 | 3.481 |
| 03-31-2006 | 4.053 | 3.511 |
| 12-31-2005 | 4.025 | 3.586 |
| 09-30-2005 | 3.996 | 3.594 |
| 06-30-2005 | 3.978 | 3.606 |
| 03-31-2005 | 3.982 | 3.598 |
| 12-31-2004 | 3.903 | 3.574 |
| 09-30-2004 | 3.829 | 3.534 |
| 06-30-2004 | 3.805 | 3.54 |
| 03-31-2004 | 3.851 | 3.537 |
| 12-31-2003 | 3.938 | 3.635 |
| 09-30-2003 | 4.006 | 3.653 |
| 06-30-2003 | 4.134 | 3.683 |
| 03-31-2003 | 4.197 | 3.716 |
| 12-31-2002 | 4.493 | 3.782 |