Financial report context:
management 2019s discussion and analysis 158 jpmorgan chase & co./2012 annual report the following table summarizes the ratings profile by derivative counterparty of the firm 2019s derivative receivables , including credit derivatives , net of other liquid securities collateral , for the dates indicated . ratings profile of derivative receivables .

Financial table:
rating equivalent december 31 ( in millions except ratios ): aaa/aaa to aa-/aa3; rating equivalent exposure net of all collateral: $ 20040; rating equivalent % (  % ) of exposure net of all collateral: 33% ( 33 % ); exposure net of all collateral: $ 25100; % (  % ) of exposure net of all collateral: 35% ( 35 % )
rating equivalent december 31 ( in millions except ratios ): a+/a1 to a-/a3; rating equivalent exposure net of all collateral: 12169; rating equivalent % (  % ) of exposure net of all collateral: 20; exposure net of all collateral: 22942; % (  % ) of exposure net of all collateral: 32
rating equivalent december 31 ( in millions except ratios ): bbb+/baa1 to bbb-/baa3; rating equivalent exposure net of all collateral: 18197; rating equivalent % (  % ) of exposure net of all collateral: 29; exposure net of all collateral: 9595; % (  % ) of exposure net of all collateral: 14
rating equivalent december 31 ( in millions except ratios ): bb+/ba1 to b-/b3; rating equivalent exposure net of all collateral: 9636; rating equivalent % (  % ) of exposure net of all collateral: 16; exposure net of all collateral: 10545; % (  % ) of exposure net of all collateral: 15
rating equivalent december 31 ( in millions except ratios ): ccc+/caa1 and below; rating equivalent exposure net of all collateral: 1283; rating equivalent % (  % ) of exposure net of all collateral: 2; exposure net of all collateral: 2488; % (  % ) of exposure net of all collateral: 4
rating equivalent december 31 ( in millions except ratios ): total; rating equivalent exposure net of all collateral: $ 61325; rating equivalent % (  % ) of exposure net of all collateral: 100% ( 100 % ); exposure net of all collateral: $ 70670; % (  % ) of exposure net of all collateral: 100% ( 100 % )

Additional report context:
as noted above , the firm uses collateral agreements to mitigate counterparty credit risk . the percentage of the firm 2019s derivatives transactions subject to collateral agreements 2013 excluding foreign exchange spot trades , which are not typically covered by collateral agreements due to their short maturity 2013 was 88% ( 88 % ) as of december 31 , 2012 , unchanged compared with december 31 , 2011 . credit derivatives credit derivatives are financial instruments whose value is derived from the credit risk associated with the debt of a third party issuer ( the reference entity ) and which allow one party ( the protection purchaser ) to transfer that risk to another party ( the protection seller ) when the reference entity suffers a credit event . if no credit event has occurred , the protection seller makes no payments to the protection purchaser . for a more detailed description of credit derivatives , see credit derivatives in note 6 on pages 218 2013227 of this annual report . the firm uses credit derivatives for two primary purposes : first , in its capacity as a market-maker ; and second , as an end-user , to manage the firm 2019s own credit risk associated with various exposures . included in end-user activities are credit derivatives used to mitigate the credit risk associated with traditional lending activities ( loans and unfunded commitments ) and derivatives counterparty exposure in the firm 2019s wholesale businesses ( 201ccredit portfolio management 201d activities ) . information on credit portfolio management activities is provided in the table below . in addition , the firm uses credit derivatives as an end-user to manage other exposures , including credit risk arising from certain afs securities and from certain securities held in the firm 2019s market making businesses . these credit derivatives , as well as the synthetic credit portfolio , are not included in credit portfolio management activities ; for further information on these credit derivatives as well as credit derivatives used in the firm 2019s capacity as a market maker in credit derivatives , see credit derivatives in note 6 on pages 226 2013227 of this annual report. .

Question: what percentage of derivative receivables was junk rated in 2012?
Answer: 18