Task: Table-QA (source dataset: FinQA)

Task: 
You are given a table containing structured data and a natural language question referring to the table. Your goal is to analyze the table and provide an accurate and concise answer based on the given data.

Instructions:
1. Understand the Table: Examine the structure, headers, and data in the table. Identify relevant columns and rows related to the question.
2. Interpret the Question: Determine whether the question requires direct retrieval, aggregation, comparison, sorting, filtering, or inference.
3. Extract the Answer: Use logical reasoning and numerical operations (if necessary) to derive the correct response from the table.
4. Format the Answer: No explanation, return the answer in a structured JSON format: {"answer": <answer>}. If the question cannot be answered due to missing or ambiguous data, return a JSON response with {"answer": null}.

Table:
| year       | amount   |
|:-----------|:---------|
| 2015       | $ 126    |
| 2016       | 111      |
| 2017       | 112      |
| 2018       | 111      |
| 2019       | 105      |
| thereafter | 613      |
| total      | $ 1178   |

Question:
what percent of the commitments are due after 2019?


pre_text: on the 4.25% ( 4.25 % ) notes due in 2021 ( 201c2021 notes 201d ) is payable semi-annually on may 24 and november 24 of each year , which commenced november 24 , 2011 , and is approximately $ 32 million per year .
the 2021 notes may be redeemed prior to maturity at any time in whole or in part at the option of the company at a 201cmake-whole 201d redemption price .
the 2021 notes were issued at a discount of $ 4 million .
at december 31 , 2014 , $ 3 million of unamortized debt issuance costs was included in other assets on the consolidated statement of financial condition and are being amortized over the remaining term of the 2021 notes .
in may 2011 , in conjunction with the issuance of the 2013 floating rate notes , the company entered into a $ 750 million notional interest rate swapmaturing in 2013 to hedge the future cash flows of its obligation at a fixed rate of 1.03% ( 1.03 % ) .
during the second quarter of 2013 , the interest rate swapmatured and the 2013 floating rate notes were fully repaid .
2019 notes .
in december 2009 , the company issued $ 2.5 billion in aggregate principal amount of unsecured and unsubordinated obligations .
these notes were issued as three separate series of senior debt securities including $ 0.5 billion of 2.25% ( 2.25 % ) notes , which were repaid in december 2012 , $ 1.0 billion of 3.50% ( 3.50 % ) notes , which were repaid in december 2014 at maturity , and $ 1.0 billion of 5.0% ( 5.0 % ) notes maturing in december 2019 ( the 201c2019 notes 201d ) .
net proceeds of this offering were used to repay borrowings under the cp program , which was used to finance a portion of the acquisition of barclays global investors ( 201cbgi 201d ) from barclays on december 1 , 2009 ( the 201cbgi transaction 201d ) , and for general corporate purposes .
interest on the 2019 notes of approximately $ 50 million per year is payable semi-annually in arrears on june 10 and december 10 of each year .
these notes may be redeemed prior to maturity at any time in whole or in part at the option of the company at a 201cmake- whole 201d redemption price .
these notes were issued collectively at a discount of $ 5 million .
at december 31 , 2014 , $ 3 million of unamortized debt issuance costs was included in other assets on the consolidated statement of financial condition and are being amortized over the remaining term of the 2019 notes .
2017 notes .
in september 2007 , the company issued $ 700 million in aggregate principal amount of 6.25% ( 6.25 % ) senior unsecured and unsubordinated notes maturing on september 15 , 2017 ( the 201c2017 notes 201d ) .
a portion of the net proceeds of the 2017 notes was used to fund the initial cash payment for the acquisition of the fund-of-funds business of quellos and the remainder was used for general corporate purposes .
interest is payable semi-annually in arrears on march 15 and september 15 of each year , or approximately $ 44 million per year .
the 2017 notes may be redeemed prior to maturity at any time in whole or in part at the option of the company at a 201cmake-whole 201d redemption price .
the 2017 notes were issued at a discount of $ 6 million , which is being amortized over their ten-year term .
the company incurred approximately $ 4 million of debt issuance costs , which are being amortized over ten years .
at december 31 , 2014 , $ 1 million of unamortized debt issuance costs was included in other assets on the consolidated statement of financial condition .
13 .
commitments and contingencies operating lease commitments the company leases its primary office spaces under agreements that expire through 2035 .
future minimum commitments under these operating leases are as follows : ( in millions ) .
post_text: rent expense and certain office equipment expense under agreements amounted to $ 132 million , $ 137 million and $ 133 million in 2014 , 2013 and 2012 , respectively .
investment commitments .
at december 31 , 2014 , the company had $ 161 million of various capital commitments to fund sponsored investment funds , including funds of private equity funds , real estate funds , infrastructure funds , opportunistic funds and distressed credit funds .
this amount excludes additional commitments made by consolidated funds of funds to underlying third-party funds as third-party noncontrolling interest holders have the legal obligation to fund the respective commitments of such funds of funds .
in addition to the capital commitments of $ 161 million , the company had approximately $ 35 million of contingent commitments for certain funds which have investment periods that have expired .
generally , the timing of the funding of these commitments is unknown and the commitments are callable on demand at any time prior to the expiration of the commitment .
these unfunded commitments are not recorded on the consolidated statements of financial condition .
these commitments do not include potential future commitments approved by the company that are not yet legally binding .
the company intends to make additional capital commitments from time to time to fund additional investment products for , and with , its clients .
contingencies contingent payments .
the company acts as the portfolio manager in a series of derivative transactions and has a maximum potential exposure of $ 17 million under a derivative between the company and counterparty .
see note 7 , derivatives and hedging , for further discussion .
contingent payments related to business acquisitions .
in connection with the credit suisse etf transaction , blackrock is required to make contingent payments annually to credit suisse , subject to achieving specified thresholds during a seven-year period , subsequent to the 2013 acquisition date .
in addition , blackrock is required to make contingent payments related to the mgpa transaction during a five-year period , subject to achieving specified thresholds , subsequent to the 2013 acquisition date .
the fair value of the remaining contingent payments at december 31 , 2014 is not significant to the consolidated statement of financial condition and is included in other liabilities .
legal proceedings .
from time to time , blackrock receives subpoenas or other requests for information from various u.s .
federal , state governmental and domestic and .
label: 0.52037
qa: answer: 52.04%
ann_table_rows: 5
6
7
ann_text_rows: 24
steps: op: divide1-1
arg1: 613
arg2: 1178
res: .5204
program: divide(613, 1178)
gold_inds: table_5: year the 2019 of amount is 105 ;
table_6: year the thereafter of amount is 613 ;
table_7: year the total of amount is $ 1178 ;
text_24: future minimum commitments under these operating leases are as follows : ( in millions ) .
exe_ans: 0.52037
program_re: divide(613, 1178)
model_input: table_5
year the 2019 of amount is 105 ;
table_6
year the thereafter of amount is 613 ;
table_7
year the total of amount is $ 1178 ;