Common Equity Tier 1 Capital Ratio Over Time
Common Equity 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