Tier 1 Capital Ratio Over Time
Tier 1 Capital Ratio Tulsa National Bank All Insured Commercial Banks in Oklahoma
06-30-2013 22.71 16.135
03-31-2013 20.53 16.188
12-31-2012 18.34 15.972
09-30-2012 17.87 16.367
06-30-2012 16.7 16.128
03-31-2012 15.62 16.073
12-31-2011 14.57 15.815
09-30-2011 13.9 16.256
06-30-2011 14.41 15.923
03-31-2011 14.45 15.688
12-31-2010 14.26 15.285
09-30-2010 14.05 15.479
06-30-2010 13.63 15.28
03-31-2010 12.97 15.054
12-31-2009 12.52 14.885
09-30-2009 12.7 15.25
06-30-2009 12.34 15.044
03-31-2009 12.24 14.938
12-31-2008 12.05 14.817
09-30-2008 11.99 15.432
06-30-2008 11.53 15.276
03-31-2008 11.57 15.241
12-31-2007 11 15.226
09-30-2007 10.9 15.696
06-30-2007 10.54 15.624
03-31-2007 10.94 15.435
12-31-2006 10.88 15.465
09-30-2006 10.97 15.743
06-30-2006 11 15.795
03-31-2006 11.28 15.76
12-31-2005 11.05 15.841
09-30-2005 11.03 16.272
06-30-2005 11.11 16.417
03-31-2005 11.44 16.186
12-31-2004 10.98 16.183
09-30-2004 10.38 16.795
06-30-2004 10.69 16.79
03-31-2004 10.76 16.682
12-31-2003 10.01 16.462
09-30-2003 10.45 16.771
06-30-2003 10.45 16.59
03-31-2003 10.03 16.573
12-31-2002 10.17 16.446