[["", "december 31 2018 targetassetallocation", "december 31 2018 actualassetallocation", "december 31 2017 actualassetallocation"], ["debt securities", "82% ( 82 % )", "83% ( 83 % )", "70% ( 70 % )"], ["equity securities", "18", "17", "30"], ["total", "100% ( 100 % )", "100% ( 100 % )", "100% ( 100 % )"]]