.2% ( 3.2 % ) due primarily to changes in wholesale inventories and retail share losses . marlboro 2019s retail share for 2013 increased 0.1 share point versus 2012 behind investments in the marlboro architecture . pm usa expanded marlboro edge distribution nationally in the fourth quarter of 2013 . pm usa 2019s 2013 retail share increased 0.3 share points versus 2012 , due to retail share gains by marlboro , as well as l&m in discount , partially offset by share losses on other portfolio brands