10-k altria ar release tuesday , february 27 , 2018 10:00pm andra design llc the relative percentages of operating companies income ( loss ) attributable to each reportable segment and the all other category were as follows: .
what is the percentage change in the weight of smokeless products in operating income from 2015 to 2016?
for items affecting the comparability of the relative percentages of operating companies income ( loss ) attributable to each reportable segment , see note 15 . narrative description of business portions of the information called for by this item are included in operating results by business segment in item 7 . management 2019s discussion and analysis of financial condition and results of operations of this annual report on form 10-k ( 201citem 7 201d ) . tobacco space altria group , inc . 2019s tobacco operating companies include pm usa , usstc and other subsidiaries of ust , middleton , nu mark and nat sherman . altria group distribution company provides sales and distribution services to altria group , inc . 2019s tobacco operating companies . the products of altria group , inc . 2019s tobacco subsidiaries include smokeable tobacco products , consisting of cigarettes manufactured and sold by pm usa and nat sherman , machine- made large cigars and pipe tobacco manufactured and sold by middleton and premium cigars sold by nat sherman ; smokeless tobacco products manufactured and sold by usstc ; and innovative tobacco products , including e-vapor products manufactured and sold by nu mark . cigarettes : pm usa is the largest cigarette company in the united states . marlboro , the principal cigarette brand of pm usa , has been the largest-selling cigarette brand in the united states for over 40 years . nat sherman sells substantially all of its super premium cigarettes in the united states . total smokeable products segment 2019s cigarettes shipment volume in the united states was 116.6 billion units in 2017 , a decrease of 5.1% ( 5.1 % ) from cigars : middleton is engaged in the manufacture and sale of machine-made large cigars and pipe tobacco . middleton contracts with a third-party importer to supply a majority of its cigars and sells substantially all of its cigars to customers in the united states . black & mild is the principal cigar brand of middleton . nat sherman sources all of its cigars from third-party suppliers and sells substantially all of its cigars to customers in the united states . total smokeable products segment 2019s cigars shipment volume was approximately 1.5 billion units in 2017 , an increase of 9.9% ( 9.9 % ) from 2016 . smokeless tobacco products : usstc is the leading producer and marketer of moist smokeless tobacco ( 201cmst 201d ) products . the smokeless products segment includes the premium brands , copenhagen and skoal , and value brands , red seal and husky . substantially all of the smokeless tobacco products are manufactured and sold to customers in the united states . total smokeless products segment 2019s shipment volume was 841.3 million units in 2017 , a decrease of 1.4% ( 1.4 % ) from 2016 . innovative tobacco products : nu mark participates in the e-vapor category and has developed and commercialized other innovative tobacco products . in addition , nu mark sources the production of its e-vapor products through overseas contract manufacturing arrangements . in 2013 , nu mark introduced markten e-vapor products . in april 2014 , nu mark acquired the e-vapor business of green smoke , inc . and its affiliates ( 201cgreen smoke 201d ) , which began selling e-vapor products in 2009 . in 2017 , altria group , inc . 2019s subsidiaries purchased certain intellectual property related to innovative tobacco products . in december 2013 , altria group , inc . 2019s subsidiaries entered into a series of agreements with philip morris international inc . ( 201cpmi 201d ) pursuant to which altria group , inc . 2019s subsidiaries provide an exclusive license to pmi to sell nu mark 2019s e-vapor products outside the united states , and pmi 2019s subsidiaries provide an exclusive license to altria group , inc . 2019s subsidiaries to sell two of pmi 2019s heated tobacco product platforms in the united states . further , in july 2015 , altria group , inc . announced the expansion of its strategic framework with pmi to include a joint research , development and technology-sharing agreement . under this agreement , altria group , inc . 2019s subsidiaries and pmi will collaborate to develop e-vapor products for commercialization in the united states by altria group , inc . 2019s subsidiaries and in markets outside the united states by pmi . this agreement also provides for exclusive technology cross licenses , technical information sharing and cooperation on scientific assessment , regulatory engagement and approval related to e-vapor products . in the fourth quarter of 2016 , pmi submitted a modified risk tobacco product ( 201cmrtp 201d ) application for an electronically heated tobacco product with the united states food and drug administration 2019s ( 201cfda 201d ) center for tobacco products and filed its corresponding pre-market tobacco product application in the first quarter of 2017 . upon regulatory authorization by the fda , altria group , inc . 2019s subsidiaries will have an exclusive license to sell this heated tobacco product in the united states . distribution , competition and raw materials : altria group , inc . 2019s tobacco subsidiaries sell their tobacco products principally to wholesalers ( including distributors ) , large retail organizations , including chain stores , and the armed services . the market for tobacco products is highly competitive , characterized by brand recognition and loyalty , with product quality , taste , price , product innovation , marketing , packaging and distribution constituting the significant methods of competition . promotional activities include , in certain instances and where permitted by law , allowances , the distribution of incentive items , price promotions , product promotions , coupons and other discounts. .