table of contents item 1b . unresolved staff comments we have no unresolved sec staff comments to report . item 2 . properties as of december 31 , 2015 , we owned or leased 126 major manufacturing sites and 14 major technical centers . a manufacturing site may include multiple plants and may be wholly or partially owned or leased . we also have many smaller manufacturing sites , sales offices , warehouses , engineering centers , joint ventures and other investments strategically located throughout the world . we have a presence in 44 countries . the following table shows the regional distribution of our major manufacturing sites by the operating segment that uses such facilities : north america europe , middle east & africa asia pacific south america total .

Table: north america europemiddle east& africa asia pacific south america total electrical/electronic architecture 30 32 25 5 92 powertrain systems 4 10 5 2 21 electronics and safety 3 7 3 2014 13 total 37 49 33 7 126

in addition to these manufacturing sites , we had 14 major technical centers : four in north america ; five in europe , middle east and africa ; four in asia pacific ; and one in south america . of our 126 major manufacturing sites and 14 major technical centers , which include facilities owned or leased by our consolidated subsidiaries , 77 are primarily owned and 63 are primarily leased . we frequently review our real estate portfolio and develop footprint strategies to support our customers 2019 global plans , while at the same time supporting our technical needs and controlling operating expenses . we believe our evolving portfolio will meet current and anticipated future needs . item 3 . legal proceedings we are from time to time subject to various actions , claims , suits , government investigations , and other proceedings incidental to our business , including those arising out of alleged defects , breach of contracts , competition and antitrust matters , product warranties , intellectual property matters , personal injury claims and employment-related matters . it is our opinion that the outcome of such matters will not have a material adverse impact on our consolidated financial position , results of operations , or cash flows . with respect to warranty matters , although we cannot ensure that the future costs of warranty claims by customers will not be material , we believe our established reserves are adequate to cover potential warranty settlements . however , the final amounts required to resolve these matters could differ materially from our recorded estimates . gm ignition switch recall in the first quarter of 2014 , gm , delphi 2019s largest customer , initiated a product recall related to ignition switches . delphi received requests for information from , and cooperated with , various government agencies related to this ignition switch recall . in addition , delphi was initially named as a co-defendant along with gm ( and in certain cases other parties ) in class action and product liability lawsuits related to this matter . as of december 31 , 2015 , delphi was not named as a defendant in any class action complaints . although no assurances can be made as to the ultimate outcome of these or any other future claims , delphi does not believe a loss is probable and , accordingly , no reserve has been made as of december 31 , 2015 . unsecured creditors litigation the fourth amended and restated limited liability partnership agreement of delphi automotive llp ( the 201cfourth llp agreement 201d ) was entered into on july 12 , 2011 by the members of delphi automotive llp in order to position the company for its initial public offering . under the terms of the fourth llp agreement , if cumulative distributions to the members of delphi automotive llp under certain provisions of the fourth llp agreement exceed $ 7.2 billion , delphi , as disbursing agent on behalf of dphh , is required to pay to the holders of allowed general unsecured claims against dphh $ 32.50 for every $ 67.50 in excess of $ 7.2 billion distributed to the members , up to a maximum amount of $ 300 million . in december 2014 , a complaint was filed in the bankruptcy court alleging that the redemption by delphi automotive llp of the membership interests of gm and the pbgc , and the repurchase of shares and payment of dividends by delphi automotive plc , constituted distributions under the terms of the fourth llp agreement approximating $ 7.2 billion . delphi considers cumulative .

Question: what is the percentage of powertrain systems sites among all sites?
Answer: 16.67%
Calculation: divide(21, 126)
Explanation: it is the number of powertrain systems sites divided by all sites , then turned into a percentage .