Tier 1 Capital Ratio Over Time
Tier 1 Capital Ratio Principal Bank
12-31-2016 11.78
09-30-2016 12.61
06-30-2016 12.5
03-31-2016 12.02
12-31-2015 11.15
09-30-2015 11.92
06-30-2015 11.43
03-31-2015 11.23
12-31-2014 15.86
09-30-2014 18.72
06-30-2014 18.23
03-31-2014 17.9
12-31-2013 17.12
09-30-2013 22.14
06-30-2013 15.77
03-31-2013 15.53
12-31-2012 15.28
09-30-2012 15.19
06-30-2012 14.81
03-31-2012 14.62