the hartford financial services group , inc .notes to consolidated financial statements ( continued ) 7 .deferred policy acquisition costs and present value of future profits ( continued ) results changes in the dac balance are as follows: .
[['', '2011', '2010', '2009'], ['balance january 1', '$ 9857', '$ 10686', '$ 13248'], ['deferred costs', '2608', '2648', '2853'], ['amortization 2014 dac', '-2920 ( 2920 )', '-2665 ( 2665 )', '-3247 ( 3247 )'], ['amortization 2014 dac from discontinued operations', '2014', '-17 ( 17 )', '-10 ( 10 )'], ['amortization 2014 unlock benefit ( charge ) pre-tax [1]', '-507 ( 507 )', '138', '-1010 ( 1010 )'], ['adjustments to unrealized gains and losses on securities available-for-sale and other [2]', '-377 ( 377 )', '-1159 ( 1159 )', '-1031 ( 1031 )'], ['effect of currency translation', '83', '215', '-39 ( 39 )'], ['cumulative effect of accounting change pre-tax [3]', '2014', '11', '-78 ( 78 )'], ['balance december 31', '$ 8744', '$ 9857', '$ 10686']]
[1] the most significant contributors to the unlock charge recorded during the year ended december 31 , 2011 were assumption changes which reduced expected future gross profits including additional costs associated with implementing the japan hedging strategy and the u.s .variable annuity macro hedge program , as well as actual separate account returns below our aggregated estimated return .the most significant contributors to the unlock benefit recorded during the year ended december 31 , 2010 were actual separate account returns being above our aggregated estimated return .also included in the benefit are assumption updates related to benefits from withdrawals and lapses , offset by hedging , annuitization estimates on japan products , and long-term expected rate of return updates .the most significant contributors to the unlock charge recorded during the year ended december 31 , 2009 were the results of actual separate account returns being significantly below our aggregated estimated return for the first quarter of 2009 , partially offset by actual returns being greater than our aggregated estimated return for the period from april 1 , 2009 to december 31 , 2009 .[2] the most significant contributor to the adjustments was the effect of declining interest rates , resulting in unrealized gains on securities classified in aoci .other includes a $ 34 decrease as a result of the disposition of dac from the sale of the hartford investment canadian canada in 2010 .[3] for the year ended december 31 , 2010 the effect of adopting new accounting guidance for embedded credit derivatives resulted in a decrease to retained earnings and , as a result , a dac benefit .in addition , an offsetting amount was recorded in unrealized losses as unrealized losses decreased upon adoption of the new accounting guidance .for the year ended december 31 , 2009 the effect of adopting new accounting guidance for investments other- than- temporarily impaired resulted in an increase to retained earnings and , as a result , a dac charge .in addition , an offsetting amount was recorded in unrealized losses as unrealized losses increased upon adoption of the new accounting guidance .as of december 31 , 2011 , estimated future net amortization expense of present value of future profits for the succeeding five years is $ 39 , $ 58 , $ 24 , $ 23 and $ 22 in 2012 , 2013 , 2014 , 2015 and 2016 , respectively. .

Question: as of december 31 , 2011 , what was the percentage change in the estimated future net amortization expense of present value of future profits from 2013 to 2014
Answer: 58.6%