Actuarial Experience Study Post June 4, 2018 July 1, 2016 through June 30, 2019 July 1, 2013 through June 30, 2016 July 1, 2010 through June 30, 2013 July 1, 2007 through June 30, 2010 July 1, 2004 through June 30, 2007