management 2019s discussion and analysis environment , for example , to incorporate changes in stress testing or enhancements to modeling techniques .we will continue to evaluate the framework with respect to the impact of future regulatory requirements , as appropriate .average common equity attribution1 $ in billions 2017 2016 2015 .
[['$ in billions', '2017', '2016', '2015'], ['institutional securities', '$ 40.2', '$ 43.2', '$ 34.6'], ['wealth management', '17.2', '15.3', '11.2'], ['investment management', '2.4', '2.8', '2.2'], ['parent company', '10.0', '7.6', '18.9'], ['total', '$ 69.8', '$ 68.9', '$ 66.9']]
1 .average common equity is a non-gaap financial measure .see 201cselected non-gaap financial information 201d herein .regulatory developments resolution and recovery planning pursuant to the dodd-frank act , we are required to periodi- cally submit to the federal reserve and the fdic a resolution plan that describes our strategy for a rapid and orderly resolu- tion under the u.s .bankruptcy code in the event of our material financial distress or failure .our preferred resolution strategy , which is set out in our 2017 resolution plan , is an spoe strategy .we submitted our full 2017 resolution plan on june 30 , 2017 .as indicated in our 2017 resolution plan , the parent company has amended and restated its support agreement with its material entities , as defined in our 2017 resolution plan .under the secured amended and restated support agreement , upon the occur- rence of a resolution scenario , the parent company would be obligated to contribute or loan on a subordinated basis all of its contributable material assets , other than shares in subsidi- aries of the parent company and certain intercompany receiv- ables , to provide capital and liquidity , as applicable , to our material entities .the obligations of the parent company under the secured amended and restated support agreement are in most cases secured on a senior basis by the assets of the parent company ( other than shares in subsidiaries of the parent company ) .as a result , claims of our material entities against the assets of the parent company ( other than shares in subsidiaries of the parent company ) are effectively senior to unsecured obliga- tions of the parent company .in december 2017 , we received joint feedback on our 2017 resolution plan from the federal reserve and the fdic .the feedback identified no deficiencies in our 2017 resolution plan but noted one shortcoming to be remediated in our next resolution plan submission .further , the federal reserve and the fdic have extended the next resolution plan filing deadline for eight large domestic banks , including us , by one year to july 1 , 2019 .for more information about resolution and recovery planning requirements and our activities in these areas , including the implications of such activities in a resolution scenario , see 201cbusiness 2014supervision and regulation 2014financial holding company 2014resolution and recovery planning 201d and 201crisk factors 2014legal , regulatory and compliance risk . 201d legacy covered funds under the volcker rule the volcker rule prohibits 201cbanking entities , 201d including us and our affiliates , from engaging in certain 201cproprietary trading 201d activities , as defined in the volcker rule , subject to exemptions for underwriting , market-making-related activities , risk-mitigating hedging and certain other activities .the volcker rule also prohibits certain investments and relation- ships by banking entities with 201ccovered funds , 201d with a number of exemptions and exclusions .in june 2017 , we received approval from the federal reserve of our application for a five-year extension of the transition period to conform invest- ments in certain legacy volcker covered funds that are also illiquid funds .the approval covered essentially all of our non-conforming investments in , and relationships with , legacy covered funds subject to the volcker rule .for more informa- tion about the volcker rule , see 201cbusiness 2014supervision and regulation 2014activities restrictions under the volcker rule . 201d u.s .department of labor conflict of interest rule the u.s .dol 2019s final conflict of interest rule under erisa went into effect on june 9 , 2017 , with certain aspects subject to phased-in compliance .full compliance with the rule 2019s related exemptions is currently scheduled to be required by july 1 , 2019 .in addition , the u.s .dol is undertaking an examination of the rule that may result in changes to the rule or its related exemptions or a change in the full compliance date .for a discussion of the u.s .dol conflict of interest rule , see 201cbusiness 2014supervision and regulation 2014instit- utional securities and wealth management . 201d u.k .referendum following the u.k .electorate vote to leave the e.u. , the u.k .invoked article 50 of the lisbon treaty on march 29 , 2017 , which triggered a two-year period , subject to extension ( which would need the unanimous approval of the e.u .member states ) , during which the u.k .government is expected to negotiate its withdrawal agreement with the e.u .for further discussion of u.k .referendum 2019s potential impact on our operations , see 201crisk factors 2014international risk . 201d for further information regarding our exposure to the u.k. , see also 201cquantitative and qualitative disclosures about market risk 2014risk management 2014credit risk 2014country risk exposure . 201d 69 december 2017 form 10-k .

Question: what percentage of average common equity attribution in 2017 is made up of institutional securities?
Answer: 58%