performance of the company 2019s obligations under the senior notes , including any repurchase obligations resulting from a change of control , is unconditionally guaranteed , jointly and severally , on an unsecured basis , by each of hii 2019s existing and future domestic restricted subsidiaries that guarantees debt under the credit facility ( the 201csubsidiary guarantors 201d ) .
the guarantees rank equally with all other unsecured and unsubordinated indebtedness of the guarantors .
the subsidiary guarantors are each directly or indirectly 100% ( 100 % ) owned by hii .
there are no significant restrictions on the ability of hii or any subsidiary guarantor to obtain funds from their respective subsidiaries by dividend or loan .
mississippi economic development revenue bonds 2014as of december 31 , 2011 and 2010 , the company had $ 83.7 million outstanding from the issuance of industrial revenue bonds issued by the mississippi business finance corporation .
these bonds accrue interest at a fixed rate of 7.81% ( 7.81 % ) per annum ( payable semi-annually ) and mature in 2024 .
while repayment of principal and interest is guaranteed by northrop grumman systems corporation , hii has agreed to indemnify northrop grumman systems corporation for any losses related to the guaranty .
in accordance with the terms of the bonds , the proceeds have been used to finance the construction , reconstruction , and renovation of the company 2019s interest in certain ship manufacturing and repair facilities , or portions thereof , located in the state of mississippi .
gulf opportunity zone industrial development revenue bonds 2014as of december 31 , 2011 and 2010 , the company had $ 21.6 million outstanding from the issuance of gulf opportunity zone industrial development revenue bonds ( 201cgo zone irbs 201d ) issued by the mississippi business finance corporation .
the go zone irbs were initially issued in a principal amount of $ 200 million , and in november 2010 , in connection with the anticipated spin-off , hii purchased $ 178 million of the bonds using the proceeds from a $ 178 million intercompany loan from northrop grumman .
see note 20 : related party transactions and former parent company equity .
the remaining bonds accrue interest at a fixed rate of 4.55% ( 4.55 % ) per annum ( payable semi-annually ) , and mature in 2028 .
in accordance with the terms of the bonds , the proceeds have been used to finance the construction , reconstruction , and renovation of the company 2019s interest in certain ship manufacturing and repair facilities , or portions thereof , located in the state of mississippi .
the estimated fair value of the company 2019s total long-term debt , including current portions , at december 31 , 2011 and 2010 , was $ 1864 million and $ 128 million , respectively .
the fair value of the total long-term debt was calculated based on recent trades for most of the company 2019s debt instruments or based on interest rates prevailing on debt with substantially similar risks , terms and maturities .
the aggregate amounts of principal payments due on long-term debt for each of the next five years and thereafter are : ( $ in millions ) .

2012
$29
2013
50
2014
79
2015
108
2016
288
Thereafter
1,305
Total long-term debt
$1,859

14 .
investigations , claims , and litigation the company is involved in legal proceedings before various courts and administrative agencies , and is periodically subject to government examinations , inquiries and investigations .
pursuant to fasb accounting standard codification 450 contingencies , the company has accrued for losses associated with investigations , claims and litigation when , and to the extent that , loss amounts related to the investigations , claims and litigation are probable and can be reasonably estimated .
the actual losses that might be incurred to resolve such investigations , claims and litigation may be higher or lower than the amounts accrued .
for matters where a material loss is probable or reasonably possible and the amount of loss cannot be reasonably estimated , but the company is able to reasonably estimate a range of possible losses , such estimated range is required to be disclosed in these notes .
this estimated range would be based on information currently available to the company and would involve elements of judgment and significant uncertainties .
this estimated range of possible loss would not represent the company 2019s maximum possible loss exposure .
for matters as to which the company is not able to reasonably estimate a possible loss or range of loss , the company is required to indicate the reasons why it is unable to estimate the possible loss or range of loss .
for matters not specifically described in these notes , the company does not believe , based on information currently available to it , that it is reasonably possible that the liabilities , if any , arising from .

Question: Analyse this data from a financial earnings document. what is the ratio of the long-term debt after 2016 to the total long term debt
Choices:
0.00702
1.42452
6.49254
65.25
0.70199
Correct choice index: 4