{"pre_text": ["net unfunded credit commitments ."], "post_text": ["commitments to extend credit represent arrangements to lend funds subject to specified contractual conditions .", "at december 31 , 2007 , commercial commitments are reported net of $ 8.9 billion of participations , assignments and syndications , primarily to financial services companies .", "the comparable amount at december 31 , 2006 was $ 8.3 billion .", "commitments generally have fixed expiration dates , may require payment of a fee , and contain termination clauses in the event the customer 2019s credit quality deteriorates .", "based on our historical experience , most commitments expire unfunded , and therefore cash requirements are substantially less than the total commitment .", "consumer home equity lines of credit accounted for 80% ( 80 % ) of consumer unfunded credit commitments .", "unfunded credit commitments related to market street totaled $ 8.8 billion at december 31 , 2007 and $ 5.6 billion at december 31 , 2006 and are included in the preceding table primarily within the 201ccommercial 201d and 201cconsumer 201d categories .", "note 24 commitments and guarantees includes information regarding standby letters of credit and bankers 2019 acceptances .", "at december 31 , 2007 , the largest industry concentration was for general medical and surgical hospitals , which accounted for approximately 5% ( 5 % ) of the total letters of credit and bankers 2019 acceptances .", "at december 31 , 2007 , we pledged $ 1.6 billion of loans to the federal reserve bank ( 201cfrb 201d ) and $ 33.5 billion of loans to the federal home loan bank ( 201cfhlb 201d ) as collateral for the contingent ability to borrow , if necessary .", "certain directors and executive officers of pnc and its subsidiaries , as well as certain affiliated companies of these directors and officers , were customers of and had loans with subsidiary banks in the ordinary course of business .", "all such loans were on substantially the same terms , including interest rates and collateral , as those prevailing at the time for comparable transactions with other customers and did not involve more than a normal risk of collectibility or present other unfavorable features .", "the aggregate principal amounts of these loans were $ 13 million at december 31 , 2007 and $ 18 million at december 31 , 2006 .", "during 2007 , new loans of $ 48 million were funded and repayments totaled $ 53 million. ."], "table": [["december 31 - in millions", "2007", "2006"], ["commercial", "$ 39171", "$ 31009"], ["consumer", "10875", "10495"], ["commercial real estate", "2734", "2752"], ["other", "567", "579"], ["total", "$ 53347", "$ 44835"]], "table_ori": [["December 31 - in millions", "2007", "2006"], ["Commercial", "$39,171", "$31,009"], ["Consumer", "10,875", "10,495"], ["Commercial real estate", "2,734", "2,752"], ["Other", "567", "579"], ["Total", "$53,347", "$44,835"]]}

Question: what was the change in commercial commitments net of participations , assignments and syndications , primarily to financial services companies in 2007 compared to 2006 in billions?
Evidence:
text_2: at december 31 , 2007 , commercial commitments are reported net of $ 8.9 billion of participations , assignments and syndications , primarily to financial services companies .
text_3: the comparable amount at december 31 , 2006 was $ 8.3 billion .
Program: subtract(8.9, 8.3)
Answer:
str_answer: 0.6
exe_answer: 0.6