Debt service for 2016 and 2005 series bonds payable: 

Summary of change in debt - 2018, 2017 and 2016

Detailed schedule of planned structured principal maturities and related interest:

As of Dec. 31, 2018

As of Dec. 31, 2017

As of Dec. 31, 2016 - 2016 series issued Dec. 22, 2016

As of Dec. 31, 2016 - 2005 series defeased on Dec. 22, 2016 and paid off on Jan. 23, 2017

As of Dec. 31, 2015

As of Dec. 31, 2014

As of Dec. 31, 2013