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: .

1	2011	2010	2009
2	balance january 1	$ 9857	$ 10686	$ 13248
3	deferred costs	2608	2648	2853
4	amortization 2014 dac	-2920 ( 2920 )	-2665 ( 2665 )	-3247 ( 3247 )
5	amortization 2014 dac from discontinued operations	2014	-17 ( 17 )	-10 ( 10 )
6	amortization 2014 unlock benefit ( charge ) pre-tax [1]	-507 ( 507 )	138	-1010 ( 1010 )
7	adjustments to unrealized gains and losses on securities available-for-sale and other [2]	-377 ( 377 )	-1159 ( 1159 )	-1031 ( 1031 )
8	effect of currency translation	83	215	-39 ( 39 )
9	cumulative effect of accounting change pre-tax [3]	2014	11	-78 ( 78 )
10	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: -0.58621